Nouns Starting With R

Here's the list of all the 8094 Nouns Starting With R in the English Language.

The list is arranged by the word lengths. Click on the length below to jump to the relevant section of the page.

Common Nouns (with Definitions and Examples)
re
1. the syllable naming the second (supertonic) note of any major scale in solmization
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review
1. a new appraisal or evaluation
2. an essay or article that gives a critical evaluation (as of a book or play)
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read
1. something that is read
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research
1. systematic investigation to establish facts
2. a search for knowledge
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real
1. any rational or irrational number
2. the basic unit of money in Brazil; equal to 100 centavos
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report
1. a written document describing the findings of some individual or group
2. the act of informing by verbal report
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right
1. an abstract idea of that which is due to a person or governmental body by law or tradition or nature
2. location near or direction toward the right side; i.e. the side to the south when a person or object faces east
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rating
1. an appraisal of the value of something
2. act of ascertaining or fixing the value or worth of
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rate
1. a magnitude or frequency relative to a time unit
2. amount of a charge or payment relative to some basis
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return
1. document giving the tax collector information about the taxpayer's tax liability
2. a coming to or returning home
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reply
1. a statement (either spoken or written) that is made to reply to a question or request or criticism or accusation
2. the speech act of continuing a conversational exchange
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room
1. an area within a building enclosed by walls and floor and ceiling
2. space for movement
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register
1. an official written record of names or events or transactions
2. (music) the timbre that is characteristic of a certain range and manner of production of the human voice or of different pipe organ stops or of different musical instruments
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red
1. red color or pigment; the chromatic color resembling the hue of blood
2. emotionally charged terms used to refer to extreme radicals or revolutionaries
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rates
1. a local tax on property
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road
1. an open way (generally public) for travel or transportation
2. a way or means to achieve something
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range
1. an area in which something acts or operates or has power or control:
2. the limits within which something can be effective
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result
1. a phenomenon that follows and is caused by some previous phenomenon
2. a statement that solves a problem or explains how to solve the problem
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release
1. merchandise issued for sale or public showing (especially a record or film)
2. the act of liberating someone or something
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request
1. a formal message requesting something that is submitted to an authority
2. the verbal act of requesting
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reference
1. a remark that calls attention to something or someone
2. a short note recognizing a source of information or of a quoted passage
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run
1. a score in baseball made by a runner touching all four bases safely
2. the act of testing something
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radio
1. medium for communication
2. an electronic receiver that detects and demodulates and amplifies transmitted signals
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region
1. the extended spatial location of something
2. a part of an animal that has a special function or is supplied by a given artery or nerve
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record
1. anything (such as a document or a phonograph record or a photograph) providing permanent evidence of or information about past events
2. sound recording consisting of a disk with a continuous groove; used to reproduce music by rotating while a phonograph needle tracks in the groove
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resource
1. available source of wealth; a new or reserve supply that can be drawn upon when needed
2. a source of aid or support that may be drawn upon when needed
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rock
1. a lump or mass of hard consolidated mineral matter
2. material consisting of the aggregate of minerals like those making up the Earth's crust
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reading
1. the cognitive process of understanding a written linguistic message
2. a particular interpretation or performance
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risk
1. a source of danger; a possibility of incurring loss or misfortune
2. a venture undertaken without regard to possible loss or injury
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response
1. a result
2. a bodily process occurring due to the effect of some antecedent stimulus or agent
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river
1. a large natural stream of water (larger than a creek)
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regionalMore Definitions →
role
1. the actions and activities assigned to or required or expected of a person or group
2. an actor's portrayal of someone in a play
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running
1. (American football) a play in which a player attempts to carry the ball through or past the opposing team
2. the act of running; traveling on foot at a fast pace
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rental
1. property that is leased or rented out or let
2. the act of paying for the use of something (as an apartment or house or car)
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registration
1. the act of enrolling
2. the body of people (such as students) who register or enroll at the same time
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rooms
1. apartment consisting of a series of connected rooms used as a living unit (as in a hotel)
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responsibleMore Definitions →
reason
1. a rational motive for a belief or action
2. an explanation of the cause of some phenomenon
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ready
1. poised for action
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regular
1. a regular patron
2. a soldier in the regular army
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round
1. a charge of ammunition for a single shot
2. an interval during which a recurring sequence of events occurs
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retail
1. the selling of goods to consumers; usually in small quantities and not for resale
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rule
1. a principle or condition that customarily governs behavior
2. something regarded as a normative example
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responsibility
1. the social force that binds you to the courses of action demanded by that force
2. the proper sphere or extent of your activities
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resolution
1. a formal expression by a meeting; agreed to by a vote
2. the ability of a microscope or telescope to measure the angular separation of images that are close together
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relations
1. mutual dealings or connections or communications among persons or groups
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republic
1. a political system in which the supreme power lies in a body of citizens who can elect people to represent them
2. a form of government whose head of state is not a monarch
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ring
1. a characteristic sound
2. a toroidal shape
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rest
1. something left after other parts have been taken away
2. freedom from activity (work or strain or responsibility)
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race
1. any competition
2. a contest of speed
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reader
1. a person who enjoys reading
2. someone who contracts to receive and pay for a service or a certain number of issues of a publication
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rent
1. a payment or series of payments made by the lessee to an owner for use of some property, facility, equipment, or service
2. an opening made forcibly as by pulling apart
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remote
1. a device that can be used to control a machine or apparatus from a distance
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remove
1. degree of figurative distance or separation
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repair
1. the act of putting something in working order again
2. a formal way of referring to the condition of something
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respect
1. (usually preceded by `in') a detail or point
2. the condition of being honored (esteemed or respected or well regarded)
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restaurant
1. a building where people go to eat
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relationship
1. a relation between people; (`relationship' is often used where `relation' would serve, as in `the relationship between inflation and unemployment', but the preferred usage of `relationship' is for human relations or states of relatedness)
2. a state of connectedness between people (especially an emotional connection)
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royal
1. a sail set next above the topgallant on a royal mast
2. stag with antlers of 12 or more branches
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resort
1. a hotel located in a resort area
2. a frequently visited place
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randomMore Definitions →
root
1. (botany) the usually underground organ that lacks buds or leaves or nodes; absorbs water and mineral salts; usually it anchors the plant to the ground
2. the place where something begins, where it springs into being
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recommendMore Definitions →
religion
1. a strong belief in a supernatural power or powers that control human destiny
2. an institution to express belief in a divine power
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rose
1. any of many shrubs of the genus Rosa that bear roses
2. pinkish table wine from red grapes whose skins were removed after fermentation began
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reporting
1. the news as presented by reporters for newspapers or radio or television
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recovery
1. return to an original state
2. gradual healing (through rest) after sickness or injury
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rich
1. people who have possessions and wealth (considered as a group)
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rank
1. a row or line of people (especially soldiers or police) standing abreast of one another
2. relative status
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racing
1. the sport of engaging in contests of speed
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religious
1. a member of a religious order who is bound by vows of poverty and chastity and obedience
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reach
1. the limits within which something can be effective
2. an area in which something acts or operates or has power or control:
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reserve
1. formality and propriety of manner
2. something kept back or saved for future use or a special purpose
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ray
1. a column of light (as from a beacon)
2. a branch of an umbel or an umbelliform inflorescence
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revenue
1. the entire amount of income before any deductions are made
2. government income due to taxation
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reality
1. all of your experiences that determine how things appear to you
2. the state of being actual or real
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route
1. an established line of travel or access
2. an open way (generally public) for travel or transportation
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ruralMore Definitions →
replacement
1. the act of furnishing an equivalent person or thing in the place of another
2. someone who takes the place of another person
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recreation
1. an activity that diverts or amuses or stimulates
2. activity that refreshes and recreates; activity that renews your health and spirits by enjoyment and relaxation
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roll
1. rotary motion of an object around its own axis
2. a list of names
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representative
1. a person who represents others
2. an advocate who represents someone else's policy or purpose
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row
1. an arrangement of objects or people side by side in a line
2. a long continuous strip (usually running horizontally)
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rise
1. a growth in strength or number or importance
2. the act of changing location in an upward direction
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regulation
1. an authoritative command
2. a principle or condition that customarily governs behavior
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reduction
1. the act of decreasing or reducing something
2. any process in which electrons are added to an atom or ion (as by removing oxygen or adding hydrogen); always occurs accompanied by oxidation of the reducing agent
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recording
1. a signal that encodes something (e.g., picture or sound) that has been recorded
2. the act of making a record (especially an audio record)
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rings
1. gymnastic apparatus consisting of a pair of heavy metal circles (usually covered with leather) suspended by ropes; used for gymnastic exercises
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referMore Definitions →
removal
1. the act of removing
2. dismissal from office
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relative
1. a person related by blood or marriage
2. an animal or plant that bears a relationship to another (as related by common descent or by membership in the same genus)
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relief
1. the feeling that comes when something burdensome is removed or reduced
2. the condition of being comfortable or relieved (especially after being relieved of distress)
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revision
1. the act of revising or altering (involving reconsideration and modification)
2. the act of rewriting something
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ratio
1. the relative magnitudes of two quantities (usually expressed as a quotient)
2. the relation between things (or parts of things) with respect to their comparative quantity, magnitude, or degree
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rain
1. water falling in drops from vapor condensed in the atmosphere
2. drops of fresh water that fall as precipitation from clouds
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recipe
1. directions for making something
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ride
1. a journey in a vehicle (usually an automobile)
2. a mechanical device that you ride for amusement or excitement
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representMore Definitions →
remains
1. any object that is left unused or still extant
2. a relic that has been excavated from the soil
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raw
1. informal terms for nakedness
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ram
1. a tool for driving or forcing something by impact
2. uncastrated adult male sheep
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respondMore Definitions →
requirement
1. required activity
2. anything indispensable
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retirement
1. the state of being retired from one's business or occupation
2. withdrawal from your position or occupation
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reform
1. a change for the better as a result of correcting abuses
2. a campaign aimed to correct abuses or malpractices
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relation
1. an abstraction belonging to or characteristic of two entities or parts together
2. sexual activity between individuals, especially the insertion of a man's penis into a woman's vagina until orgasm and ejaculation occur
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rear
1. the back of a military formation or procession
2. the side of an object that is opposite its front
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recognition
1. the state or quality of being recognized or acknowledged
2. the process of recognizing something or someone by remembering
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ref
1. (sports) the chief official (as in boxing or American football) who is expected to ensure fair play
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rice
1. grains used as food either unpolished or more often polished
2. annual or perennial rhizomatous marsh grasses; seed used for food; straw used for paper
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reservation
1. a district that is reserved for particular purpose
2. a statement that limits or restricts some claim
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resume
1. short descriptive summary (of events)
2. a summary of your academic and work history
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raise
1. the amount a salary is increased
2. an upward slope or grade (as in a road)
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reliableMore Definitions →
resistance
1. the action of opposing something that you disapprove or disagree with
2. any mechanical force that tends to retard or oppose motion
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romance
1. a relationship between two lovers
2. an exciting and mysterious quality (as of a heroic time or adventure)
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registry
1. an official written record of names or events or transactions
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revolution
1. a drastic and far-reaching change in ways of thinking and behaving
2. the overthrow of a government by those who are governed
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rapid
1. a part of a river where the current is very fast
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reverse
1. a relation of direct opposition
2. the gears by which the motion of a machine can be reversed
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router
1. a worker who routes shipments for distribution and delivery
2. (computer science) a device that forwards data packets between computer networks
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resident
1. someone who lives at a particular place for a prolonged period or who was born there
2. a physician (especially an intern) who lives in a hospital and cares for hospitalized patients under the supervision of the medical staff of the hospital
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representation
1. a presentation to the mind in the form of an idea or image
2. a creation that is a visual or tangible rendering of someone or something
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regard
1. (usually preceded by `in') a detail or point
2. paying particular notice (as to children or helpless people)
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residence
1. any address at which you dwell more than temporarily
2. the official house or establishment of an important person (as a sovereign or president)
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reaction
1. (chemistry) a process in which one or more substances are changed into others
2. an idea evoked by some experience
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recommendation
1. something (as a course of action) that is recommended as advisable
2. something that recommends (or expresses commendation of) a person or thing as worthy or desirable
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recruitment
1. the act of getting recruits; enlisting people for the army (or for a job or a cause etc.)
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rubber
1. an elastic material obtained from the latex sap of trees (especially trees of the genera Hevea and Ficus) that can be vulcanized and finished into a variety of products
2. any of various synthetic elastic materials whose properties resemble natural rubber
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roman
1. a typeface used in ancient Roman inscriptions
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rail
1. a barrier consisting of a horizontal bar and supports
2. short for railway
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reliability
1. the quality of being dependable or reliable
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ridge
1. a long narrow natural elevation or striation
2. any long raised strip
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receiver
1. set that receives radio or tv signals
2. (law) a person (usually appointed by a court of law) who liquidates assets or preserves them for the benefit of affected parties
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riding
1. the sport of sitting on the back of a horse while controlling its movements
2. travel by being carried on horseback
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roads
1. a partly sheltered anchorage
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rolling
1. a deep prolonged sound (as of thunder or large bells)
2. the act of robbing a helpless person
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radar
1. measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects
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rescue
1. recovery or preservation from loss or danger
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reducing
1. any process in which electrons are added to an atom or ion (as by removing oxygen or adding hydrogen); always occurs accompanied by oxidation of the reducing agent
2. loss of excess weight (as by dieting); becoming slimmer
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radiation
1. energy that is radiated or transmitted in the form of rays or waves or particles
2. the act of spreading outward from a central source
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roof
1. a protective covering that covers or forms the top of a building
2. protective covering on top of a motor vehicle
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rush
1. the act of moving hurriedly and in a careless manner
2. a sudden forceful flow
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ranking
1. position on a scale in relation to others in status or rank or achievement
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rack
1. rib section of a forequarter of veal or pork or especially lamb or mutton
2. the destruction or collapse of something
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rep
1. informal abbreviation of `representative'
2. a fabric with prominent rounded crosswise ribs
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receipt
1. the act of receiving
2. an acknowledgment (usually tangible) that payment has been made
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reporter
1. a person who investigates and reports or edits news stories
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recognizeMore Definitions →
rising
1. a movement upward; rise above the ground
2. organized opposition to authority; a conflict in which one faction tries to wrest control from another
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republican
1. an advocate of a republic (usually in opposition to a monarchy)
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repeat
1. an event that repeats
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rick
1. a painful muscle spasm especially in the neck or back (`rick' and `wrick' are British)
2. a stack of hay
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reserves
1. civilians trained as soldiers but not part of the regular army
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reproduction
1. the process of generating offspring
2. recall that is hypothesized to work by storing the original stimulus input and reproducing it during recall
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recorder
1. equipment for making records
2. someone responsible for keeping records
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rehabilitation
1. the restoration of someone to a useful place in society
2. the conversion of wasteland into land suitable for use of habitation or cultivation
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refund
1. money returned to a payer
2. the act of returning money received previously
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reception
1. the manner in which something is greeted
2. a formal party of people; as after a wedding
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raising
1. the event of something being raised upward
2. the properties acquired as a consequence of the way you were treated as a child
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rod
1. a long thin implement made of metal or wood
2. any rod-shaped bacterium
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romantic
1. a soulful or amorous idealist
2. an artist of the Romantic Movement or someone influenced by Romanticism
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rugby
1. a form of football played with an oval ball
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reviewer
1. someone who reads manuscripts and judges their suitability for publication
2. a writer who reports and analyzes events of the day
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robot
1. a mechanism that can move automatically
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roots
1. the condition of belonging to a particular place or group by virtue of social or ethnic or cultural lineage
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rev
1. rate of revolution of a motor
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recipient
1. a person who receives something
2. the semantic role of the animate entity that is passively involved in the happening denoted by the verb in the clause
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routine
1. an unvarying or habitual method or procedure
2. a short performance that is part of a longer program
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restoration
1. the act of restoring something or someone to a satisfactory state
2. getting something back again
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recall
1. a request by the manufacturer of a defective product to return the product (as for replacement or repair)
2. a call to return
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reed
1. tall woody perennial grasses with hollow slender stems especially of the genera Arundo and Phragmites
2. a vibrator consisting of a thin strip of stiff material that vibrates to produce a tone when air streams over it
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rough
1. the part of a golf course bordering the fairway where the grass is not cut short
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refinanceMore Definitions →
robin
1. small Old World songbird with a reddish breast
2. large American thrush having a rust-red breast and abdomen
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rainbow
1. an arc of colored light in the sky caused by refraction of the sun's rays by rain
2. an illusory hope
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roulette
1. a line generated by a point on one figure rolling around a second figure
2. a wheel with teeth for making a row of perforations
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reputation
1. the state of being held in high esteem and honor
2. notoriety for some particular characteristic
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resistantMore Definitions →
recycling
1. used or abandoned materials for use in creating new products
2. the act of processing used or abandoned materials for use in creating new products
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railway
1. line that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freight
2. a line of track providing a runway for wheels
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ruby
1. a transparent piece of ruby that has been cut and polished and is valued as a precious gem
2. a transparent deep red variety of corundum; used as a gemstone and in lasers
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rap
1. a reproach for some lapse or misdeed
2. a gentle blow
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rat
1. any of various long-tailed rodents similar to but larger than a mouse
2. someone who works (or provides workers) during a strike
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ranch
1. farm consisting of a large tract of land along with facilities needed to raise livestock (especially cattle)
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resolve
1. the trait of being resolute
2. a formal expression by a meeting; agreed to by a vote
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referral
1. a person whose case has been referred to a specialist or professional group
2. a recommendation to consult the (professional) person or group to whom one has been referred
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regime
1. the organization that is the governing authority of a political unit
2. (medicine) a systematic plan for therapy (often including diet)
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rangingMore Definitions →
retailer
1. a merchant who sells goods at retail
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renewal
1. the conversion of wasteland into land suitable for use of habitation or cultivation
2. the act of renewing
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reset
1. device for resetting instruments or controls
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reaching
1. the act of physically reaching or thrusting out
2. accomplishment of an objective
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receptor
1. a cellular structure that is postulated to exist in order to mediate between a chemical agent that acts on nervous tissue and the physiological response
2. an organ having nerve endings (in the skin or viscera or eye or ear or nose or mouth) that respond to stimulation
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realty
1. property consisting of houses and land
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relay
1. the act of passing something along from one person or group to another
2. a crew of workers who relieve another crew
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retention
1. the act of retaining something
2. the power of retaining and recalling past experience
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rabbit
1. any of various burrowing animals of the family Leporidae having long ears and short tails; some domesticated and raised for pets or food
2. the fur of a rabbit
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royalty
1. payment to the holder of a patent or copyright or resource for the right to use their property
2. royal persons collectively
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rally
1. a large gathering of people intended to arouse enthusiasm
2. the feat of mustering strength for a renewed effort
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respondent
1. the codefendant (especially in a divorce proceeding) who is accused of adultery with the corespondent
2. someone who responds
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rider
1. a traveler who actively rides an animal (as a horse or camel)
2. a clause that is appended to a legislative bill
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radius
1. the length of a line segment between the center and circumference of a circle or sphere
2. a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)
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railroad
1. line that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freight
2. a line of track providing a runway for wheels
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relocation
1. the transportation of people (as a family or colony) to a new settlement (as after an upheaval of some kind)
2. the act of changing your residence or place of business
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repository
1. a facility where things can be deposited for storage or safekeeping
2. a person to whom a secret is entrusted
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reunion
1. a party of former associates who have come together again
2. the act of coming together again
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ruth
1. a feeling of sympathy and sorrow for the misfortunes of others
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radical
1. (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
2. an atom or group of atoms with at least one unpaired electron; in the body it is usually an oxygen molecule that has lost an electron and will stabilize itself by stealing an electron from a nearby molecule
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rover
1. someone who leads a wandering unsettled life
2. an adult member of the Boy Scouts movement
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reloadMore Definitions →
rebate
1. a refund of some fraction of the amount paid
2. a rectangular groove made to hold two pieces together
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revealMore Definitions →
raid
1. a sudden short attack
2. an attempt by speculators to defraud investors
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registrar
1. a person employed to keep a record of the owners of stocks and bonds issued by the company
2. the administrator responsible for student records
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ruling
1. the reason for a court's judgment (as opposed to the decision itself)
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relevance
1. the relation of something to the matter at hand
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reflection
1. a calm, lengthy, intent consideration
2. the phenomenon of a propagating wave (light or sound) being thrown back from a surface
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randyMore Definitions →
retro
1. a fashion reminiscent of the past
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ribbon
1. any long object resembling a thin line
2. an award for winning a championship or commemorating some other event
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refuse
1. food that is discarded (as from a kitchen)
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replica
1. copy that is not the original; something that has been copied
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roller
1. a grounder that rolls along the infield
2. a long heavy sea wave as it advances towards the shore
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rip
1. a dissolute man in fashionable society
2. an opening made forcibly as by pulling apart
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reward
1. a recompense for worthy acts or retribution for wrongdoing
2. payment made in return for a service rendered
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respiratoryMore Definitions →
reminder
1. a message that helps you remember something
2. an experience that causes you to remember something
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riverside
1. the bank of a river
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roster
1. a list of names
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rocket
1. any vehicle self-propelled by a rocket engine
2. a jet engine containing its own propellant and driven by reaction propulsion
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runner
1. someone who imports or exports without paying duties
2. someone who travels on foot by running
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restriction
1. a principle that limits the extent of something
2. an act of limiting or restricting (as by regulation)
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reconstruction
1. the activity of constructing something again
2. an interpretation formed by piecing together bits of evidence
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rim
1. the shape of a raised edge of a more or less circular object
2. (basketball) the hoop from which the net is suspended
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remarkableMore Definitions →
rotation
1. the act of rotating as if on an axis
2. (mathematics) a transformation in which the coordinate axes are rotated by a fixed angle about the origin
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rhythm
1. the basic rhythmic unit in a piece of music
2. recurring at regular intervals
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rope
1. a strong line
2. street names for flunitrazepam
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rational
1. an integer or a fraction
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revolutionary
1. a radical supporter of political or social revolution
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remedy
1. act of correcting an error or a fault or an evil
2. a medicine or therapy that cures disease or relieve pain
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retreat
1. (military) withdrawal of troops to a more favorable position to escape the enemy's superior forces or after a defeat
2. a place of privacy; a place affording peace and quiet
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rug
1. floor covering consisting of a piece of thick heavy fabric (usually with nap or pile)
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reel
1. a roll of photographic film holding a series of frames to be projected by a movie projector
2. music composed for dancing a reel
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rand
1. the basic unit of money in South Africa; equal to 100 cents
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revenge
1. action taken in return for an injury or offense
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reef
1. a submerged ridge of rock or coral near the surface of the water
2. one of several strips across a sail that can be taken in or rolled up to lessen the area of the sail that is exposed to the wind
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rebel
1. a person who takes part in an armed rebellion against the constituted authority (especially in the hope of improving conditions)
2. someone who exhibits great independence in thought and action
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roommate
1. an associate who shares a room with you
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reggae
1. popular music originating in the West Indies; repetitive bass riffs and regular chords played on the off beat by a guitar
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retrieveMore Definitions →
reject
1. the person or thing that is rejected or set aside as inferior in quality
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regression
1. an abnormal state in which development has stopped prematurely
2. (psychiatry) a defense mechanism in which you flee from reality by assuming a more infantile state
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renewableMore Definitions →
rage
1. a feeling of intense anger
2. a state of extreme anger
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realm
1. a domain in which something is dominant
2. the domain ruled by a king or queen
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rouge
1. makeup consisting of a pink or red powder applied to the cheeks
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reliance
1. certainty based on past experience
2. the state of relying on something
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remark
1. a statement that expresses a personal opinion or belief or adds information
2. explicit notice
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reasoning
1. thinking that is coherent and logical
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replacing
1. the act of furnishing an equivalent person or thing in the place of another
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researcher
1. a scientist who devotes himself to doing research
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reprint
1. a publication (such as a book) that is reprinted without changes or editing and offered again for sale
2. a separately printed article that originally appeared in a larger publication
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retrieval
1. (computer science) the operation of accessing information from the computer's memory
2. the cognitive operation of accessing information in memory
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rotary
1. a road junction at which traffic streams circularly around a central island
2. electrical converter consisting of a synchronous machine that converts alternating to direct current or vice versa
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remainder
1. something left after other parts have been taken away
2. the part of the dividend that is left over when the dividend is not evenly divisible by the divisor
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reproductiveMore Definitions →
refrigerator
1. white goods in which food can be stored at low temperatures
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rendering
1. a performance of a musical composition or a dramatic role etc.
2. an explanation of something that is not immediately obvious
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reservoir
1. a large or extra supply of something
2. lake used to store water for community use; a lake (natural or artificial) used to store water and used as a source of water
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rebound
1. a movement back from an impact
2. a reaction to a crisis or setback or frustration
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revelation
1. the speech act of making something evident
2. an enlightening or astonishing disclosure
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relaxation
1. (physiology) the gradual lengthening of inactive muscle or muscle fibers
2. (physics) the exponential return of a system to equilibrium after a disturbance
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render
1. a substance similar to stucco but exclusively applied to masonry walls
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replication
1. the act of making copies
2. (genetics) the process whereby DNA makes a copy of itself before cell division
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reproduceMore Definitions →
redhead
1. someone who has red hair
2. North American diving duck with a grey-and-black body and reddish-brown head
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resistMore Definitions →
ranger
1. an official who is responsible for managing and protecting an area of forest
2. a member of a military unit trained as shock troops for hit-and-run raids
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rifle
1. a shoulder firearm with a long barrel and a rifled bore
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retailing
1. the activities involved in selling commodities directly to consumers
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racism
1. the prejudice that members of one race are intrinsically superior to members of other races
2. discriminatory or abusive behavior towards members of another race
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resin
1. any of a class of solid or semisolid viscous substances obtained either as exudations from certain plants or prepared by polymerization of simple molecules
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reimbursement
1. compensation paid (to someone) for damages or losses or money already spent etc.
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rottenMore Definitions →
receipts
1. the entire amount of income before any deductions are made
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refill
1. a prescription drug that is provided again
2. a commercial product that refills a container with its appropriate contents
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residual
1. something left after other parts have been taken away
2. (often plural) a payment that is made to a performer or writer or director of a television show or commercial that is paid for every repeat showing
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rem
1. (roentgen equivalent man) the dosage of ionizing radiation that will cause the same amount of injury to human tissue as 1 roentgen of X-rays
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regulator
1. any of various controls or devices for regulating or controlling fluid flow, pressure, temperature, etc.
2. an official responsible for control and supervision of a particular activity or area of public interest
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raven
1. large black bird with a straight bill and long wedge-shaped tail
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rogue
1. a deceitful and unreliable scoundrel
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recruit
1. a recently enlisted soldier
2. any new member or supporter (as in the armed forces)
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ramp
1. an inclined surface connecting two levels
2. North American perennial having a slender bulb and whitish flowers
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rails
1. a bar or pair of parallel bars of rolled steel making the railway along which railroad cars or other vehicles can roll
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rival
1. the contestant you hope to defeat
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restartMore Definitions →
roofing
1. material used to construct a roof
2. the craft of a roofer
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renting
1. the act of paying for the use of something (as an apartment or house or car)
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rigidMore Definitions →
refugee
1. an exile who flees for safety
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rejection
1. the act of rejecting something
2. the state of being rejected
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redemption
1. (theology) the act of delivering from sin or saving from evil
2. repayment of the principal amount of a debt or security at or before maturity (as when a corporation repurchases its own stock)
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resonance
1. an excited state of a stable particle causing a sharp maximum in the probability of absorption of electromagnetic radiation
2. a vibration of large amplitude produced by a relatively small vibration near the same frequency of vibration as the natural frequency of the resonating system
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rue
1. European strong-scented perennial herb with grey-green bitter-tasting leaves; an irritant similar to poison ivy
2. leaves sometimes used for flavoring fruit or claret cup but should be used with great caution: can cause irritation like poison ivy
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residency
1. the act of dwelling in a place
2. the position of physician who is receiving special training in a hospital (usually after completing an internship)
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rationale
1. (law) an explanation of the fundamental reasons (especially an explanation of the working of some device in terms of laws of nature)
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refuge
1. a safe place
2. something or someone turned to for assistance or security
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rookie
1. an awkward and inexperienced youth
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ritual
1. any customary observance or practice
2. the prescribed procedure for conducting religious ceremonies
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reconciliation
1. the reestablishing of cordial relations
2. getting two things to correspond
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respects
1. (often used with `pay') a formal expression of esteem
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robotics
1. the area of AI concerned with the practical use of robots
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rainfall
1. water falling in drops from vapor condensed in the atmosphere
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regret
1. sadness associated with some wrong done or some disappointment
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renovation
1. the act of improving by renewing and restoring
2. the state of being restored to its former good condition
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recogniseMore Definitions →
radiology
1. the branch of medical science dealing with the medical use of X-rays or other penetrating radiation
2. (radiology) examination of the inner structure of opaque objects using X rays or other penetrating radiation
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rant
1. a loud bombastic declamation expressed with strong emotion
2. pompous or pretentious talk or writing
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rudeMore Definitions →
regiment
1. army unit smaller than a division, which can be divided into several companies, squadrons, or batteries and often into two battalions.
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rust
1. a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture
2. a plant disease that produces a reddish-brown discoloration of leaves and stems; caused by various rust fungi
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racer
1. someone who drives racing cars at high speeds
2. a fast car that competes in races
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regeneration
1. (biology) growth anew of lost tissue or destroyed parts or organs
2. feedback in phase with (augmenting) the input
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rodeo
1. an exhibition of cowboy skills
2. an enclosure for cattle that have been rounded up
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revival
1. bringing again into activity and prominence
2. an evangelistic meeting intended to reawaken interest in religion
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regency
1. the period of time during which a regent governs
2. the office of a regent
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reactor
1. an electrical device used to introduce reactance into a circuit
2. (physics) any of several kinds of apparatus that maintain and control a nuclear reaction for the production of energy or artificial elements
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rhapsody
1. an enthusiastic expression of emotion
2. (music) a free instrumental composition in one extended movement; typically emotional or exuberant in character
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reign
1. a period during which something or somebody is dominant or powerful
2. the period during which a monarch is sovereign
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remover
1. a solvent that removes a substance (usually from a surface)
2. someone who works for a company that moves furniture
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rabbi
1. spiritual leader of a Jewish congregation; qualified to expound and apply Jewish law
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revise
1. the act of rewriting something
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refusal
1. the act of refusing
2. a message refusing to accept something that is offered
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readiness
1. the state of having been made ready or prepared for use or action (especially military action)
2. prompt willingness
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razor
1. edge tool used in shaving
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rub
1. an unforeseen obstacle
2. the act of rubbing or wiping
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repayment
1. the act of returning money received previously
2. payment of a debt or obligation
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roundup
1. the activity of gathering livestock together so that they can be counted or branded or sold
2. a summary list; as in e.g. "a news roundup"
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racist
1. a person with a prejudiced belief that one racial group is superior to others
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revealing
1. the speech act of making something evident
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resurrection
1. a revival from inactivity and disuse
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residue
1. matter that remains after something has been removed
2. something left after other parts have been taken away
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remembering
1. the cognitive processes whereby past experience is remembered
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rhetoric
1. using language effectively to please or persuade
2. high-flown style; excessive use of verbal ornamentation
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roast
1. a piece of meat roasted or for roasting and of a size for slicing into more than one portion
2. negative criticism
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reciprocal
1. something (a term or expression or concept) that has an inverse relation to something else
2. (mathematics) one of a pair of numbers whose product is 1: the reciprocal of 2/3 is 3/2; the multiplicative inverse of 7 is 1/7
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ripper
1. a murderer who slashes the victims with a knife
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rite
1. an established ceremony prescribed by a religion
2. any customary observance or practice
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realization
1. coming to understand something clearly and distinctly
2. making real or giving the appearance of reality
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replay
1. something (especially a game) that is played again
2. the immediate rebroadcast of some action (especially sports action) that has been recorded on videotape
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rebuilding
1. building again
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redistributeMore Definitions →
refrigeration
1. the process of cooling or freezing (e.g., food) for preservative purposes
2. deliberately lowering the body's temperature for therapeutic purposes
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rosemary
1. widely cultivated for its fragrant grey-green leaves used in cooking and in perfumery
2. extremely pungent leaves used fresh or dried as seasoning for especially meats
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roach
1. a roll of hair brushed back from the forehead
2. the butt of a marijuana cigarette
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rad
1. a unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material
2. the unit of plane angle adopted under the Systeme International d'Unites; equal to the angle at the center of a circle subtended by an arc equal in length to the radius (approximately 57.295 degrees)
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referee
1. (sports) the chief official (as in boxing or American football) who is expected to ensure fair play
2. someone who reads manuscripts and judges their suitability for publication
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resale
1. the selling of something purchased
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runway
1. a bar or pair of parallel bars of rolled steel making the railway along which railroad cars or other vehicles can roll
2. a chute down which logs can slide
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recruiter
1. someone who supplies members or employees
2. an official who enlists personnel for military service
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ruin
1. an irrecoverable state of devastation and destruction
2. a ruined building
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resolving
1. analysis into clear-cut components
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recap
1. a summary at the end that repeats the substance of a longer discussion
2. a used automobile tire that has been remolded to give it new treads
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radiator
1. any object that radiates energy
2. heater consisting of a series of pipes for circulating steam or hot water to heat rooms or buildings
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rushing
1. (American football) an attempt to advance the ball by running into the line
2. the act of moving hurriedly and in a careless manner
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referendum
1. a legislative act is referred for final approval to a popular vote by the electorate
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rupee
1. the basic unit of money in Sri Lanka; equal to 100 cents
2. the basic unit of money in Seychelles; equal to 100 cents
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rig
1. gear (including necessary machinery) for a particular enterprise
2. a truck consisting of a tractor and trailer together
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redevelopment
1. the act of improving by renewing and restoring
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radial
1. pneumatic tire that has radial-ply casing
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remediation
1. act of correcting an error or a fault or an evil
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rave
1. a dance party that lasts all night and electronically synthesized music is played
2. an extravagantly enthusiastic review
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rib
1. support resembling the rib of an animal
2. any of the 12 pairs of curved arches of bone extending from the spine to or toward the sternum in humans (and similar bones in most vertebrates)
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runoff
1. the occurrence of surplus liquid (as water) exceeding the limit or capacity
2. a final election to resolve an earlier election that did not produce a winner
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rectangle
1. a parallelogram with four right angles
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riot
1. a public act of violence by an unruly mob
2. a state of disorder involving group violence
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ritz
1. ostentatious display of elegance
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rewrite
1. something that has been written again
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recombinant
1. a cell or organism in which genetic recombination has occurred
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repeating
1. the act of doing or performing again
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rhino
1. massive powerful herbivorous odd-toed ungulate of southeast Asia and Africa having very thick skin and one or two horns on the snout
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ruler
1. a person who rules or commands
2. measuring stick consisting of a strip of wood or metal or plastic with a straight edge that is used for drawing straight lines and measuring lengths
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restraint
1. the act of controlling by restraining someone or something
2. discipline in personal and social activities
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regulating
1. the act of controlling or directing according to rule
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recycleMore Definitions →
rubbish
1. worthless material that is to be disposed of
2. nonsensical talk or writing
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resignation
1. acceptance of despair
2. the act of giving up (a claim or office or possession etc.)
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roe
1. fish eggs or egg-filled ovary; having a grainy texture
2. eggs of female fish
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restrictiveMore Definitions →
redwood
1. the soft reddish wood of either of two species of sequoia trees
2. wood of either of two huge coniferous California trees that reach a height of 300 feet; sometimes placed in the Taxodiaceae
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radiantMore Definitions →
rowing
1. the act of rowing as a sport
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redistribution
1. distributing again
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rebellion
1. refusal to accept some authority or code or convention
2. organized opposition to authority; a conflict in which one faction tries to wrest control from another
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regent
1. members of a governing board
2. someone who rules during the absence or incapacity or minority of the country's monarch
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rustic
1. an unsophisticated country person
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rumor
1. gossip (usually a mixture of truth and untruth) passed around by word of mouth
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ringer
1. a person who rings church bells (as for summoning the congregation)
2. a person who is almost identical to another
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robbery
1. larceny by threat of violence
2. plundering during riots or in wartime
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rash
1. any red eruption of the skin
2. a series of unexpected and unpleasant occurrences
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reversal
1. a change from one state to the opposite state
2. an unfortunate happening that hinders or impedes; something that is thwarting or frustrating
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roundtable
1. a meeting of peers for discussion and exchange of views
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roc
1. mythical bird of prey having enormous size and strength
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realism
1. the attribute of accepting the facts of life and favoring practicality and literal truth
2. the state of being actual or real
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remuneration
1. something that remunerates
2. the act of paying for goods or services or to recompense for losses
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receivableMore Definitions →
rodeMore Definitions →
reinforceMore Definitions →
rag
1. a small piece of cloth
2. a week at British universities during which side-shows and processions of floats are organized to raise money for charities
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robe
1. any loose flowing garment
2. outerwear consisting of a long flowing garment used for official or ceremonial occasions
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reversible
1. a garment (especially a coat) that can be worn inside out (with either side of the cloth showing)
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raider
1. someone who takes spoils or plunder (as in war)
2. a corporate investor who intends to take over a company by buying a controlling interest in its stock and installing new management
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rocker
1. an attendant who rocks a child in a cradle
2. a performer or composer or fan of rock music
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rainforest
1. a forest with heavy annual rainfall
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redundancy
1. repetition of messages to reduce the probability of errors in transmission
2. the attribute of being superfluous and unneeded
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roadside
1. edge of a way or road or path
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reflex
1. an automatic instinctive unlearned reaction to a stimulus
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rum
1. liquor distilled from fermented molasses
2. a card game based on collecting sets and sequences; the winner is the first to meld all their cards
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retriever
1. a dog with heavy water-resistant coat that can be trained to retrieve game
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requisite
1. anything indispensable
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retrospective
1. an exhibition of a representative selection of an artist's life work
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regalMore Definitions →
refinement
1. a highly developed state of perfection; having a flawless or impeccable quality
2. the result of improving something
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registrant
1. a person who is formally entered (along with others) in a register (and who obtains certain rights thereby)
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reorganization
1. the imposition of a new organization; organizing differently (often involving extensive and drastic changes)
2. an extensive alteration of the structure of a corporation or government
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repeal
1. the act of abrogating; an official or legal cancellation
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rounding
1. (mathematics) a miscalculation that results from rounding off numbers to a convenient number of decimals
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rutherford
1. a unit strength of a radioactive source equal to one million disintegrations per second
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ringing
1. the sound of a bell ringing
2. the giving of a ring as a token of engagement
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reinforcement
1. a military operation (often involving new supplies of men and materiel) to strengthen a military force or aid in the performance of its mission
2. information that makes more forcible or convincing
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rye
1. the seed of the cereal grass
2. hardy annual cereal grass widely cultivated in northern Europe where its grain is the chief ingredient of black bread and in North America for forage and soil improvement
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rehearsal
1. a practice session in preparation for a public performance (as of a play or speech or concert)
2. (psychology) a form of practice; repetition of information (silently or aloud) in order to keep it in short-term memory
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roadway
1. a road (especially that part of a road) over which vehicles travel
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revocation
1. the state of being cancelled or annulled
2. the act (by someone having the authority) of annulling something previously done
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reclamation
1. the conversion of wasteland into land suitable for use of habitation or cultivation
2. rescuing from error and returning to a rightful course
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roveMore Definitions →
refining
1. the process of removing impurities (as from oil or metals or sugar etc.)
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rot
1. a state of decay usually accompanied by an offensive odor
2. (biology) the process of decay caused by bacterial or fungal action
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rowan
1. Eurasian tree with orange-red berrylike fruits
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rotor
1. the rotating armature of a motor or generator
2. the revolving bar of a distributor
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refrain
1. the part of a song where a soloist is joined by a group of singers
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reverend
1. a member of the clergy and a spiritual leader of the Christian Church
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rollover
1. the act of changing the institution that invests your pension plan without incurring a tax penalty
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righteousness
1. adhering to moral principles
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repetition
1. an event that repeats
2. the act of doing or performing again
More Definitions →
relativity
1. (physics) the theory that space and time are relative concepts rather than absolute concepts
2. the quality of being relative and having significance only in relation to something else
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rinse
1. a liquid preparation used on wet hair to give it a tint
2. the removal of soap with clean water in the final stage of washing
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repertoire
1. the entire range of skills or aptitudes or devices used in a particular field or occupation
2. a collection of works (plays, songs, operas, ballets) that an artist or company can perform and do perform for short intervals on a regular schedule
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rumble
1. a loud low dull continuous noise
2. a servant's seat (or luggage compartment) in the rear of a carriage
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raspberry
1. woody brambles bearing usually red but sometimes black or yellow fruits that separate from the receptacle when ripe and are rounder and smaller than blackberries
2. red or black edible aggregate berries usually smaller than the related blackberries
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rubbing
1. the resistance encountered when one body is moved in contact with another
2. representation consisting of a copy (as of an engraving) made by laying paper over something and rubbing it with charcoal
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remembrance
1. the ability to recall past occurrences
2. a recognition of meritorious service
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runaway
1. an easy victory
2. someone who flees from an uncongenial situation
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recurrence
1. happening again (especially at regular intervals)
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ragingMore Definitions →
reusableMore Definitions →
remake
1. creation that is created again or anew
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revolt
1. organized opposition to authority; a conflict in which one faction tries to wrest control from another
More Definitions →
resistor
1. an electrical device that resists the flow of electrical current
More Definitions →
recess
1. a state of abeyance or suspended business
2. a small concavity
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ratification
1. making something valid by formally ratifying or confirming it
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rake
1. a dissolute man in fashionable society
2. degree of deviation from a horizontal plane
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riches
1. an abundance of material possessions and resources
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riddle
1. a difficult problem
2. a coarse sieve (as for gravel)
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recession
1. the state of the economy declines; a widespread decline in the GDP and employment and trade lasting from six months to a year
2. a small concavity
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retardation
1. a decrease in rate of change
2. the extent to which something is delayed or held back
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reflector
1. device that reflects radiation
2. optical telescope consisting of a large concave mirror that produces an image that is magnified by the eyepiece
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regimen
1. (medicine) a systematic plan for therapy (often including diet)
More Definitions →
revertMore Definitions →
rippingMore Definitions →
riparianMore Definitions →
refinery
1. an industrial plant for purifying a crude substance
More Definitions →
repression
1. a state of forcible subjugation
2. (psychiatry) the classical defense mechanism that protects you from impulses or ideas that would cause anxiety by preventing them from becoming conscious
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reaper
1. someone who helps to gather the harvest
2. farm machine that gathers a food crop from the fields
More Definitions →
raffle
1. a lottery in which the prizes are goods rather than money
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replicateMore Definitions →
rhyme
1. correspondence in the sounds of two or more lines (especially final sounds)
2. a piece of poetry
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renter
1. someone who pays rent to use land or a building or a car that is owned by someone else
2. an owner of property who receives payment for its use by another person
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raptor
1. any of numerous carnivorous birds that hunt and kill other animals
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receivables
1. money that you currently expect to receive from notes or accounts
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retarded
1. people collectively who are mentally retarded
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radiography
1. the process of making a radiograph; producing an image on a radiosensitive surface by radiation other than visible light
2. photography that uses other kinds of radiation than visible light
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rooster
1. adult male chicken
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recital
1. the act of giving an account describing incidents or a course of events
2. performance of music or dance especially by soloists
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reminiscentMore Definitions →
rapport
1. a relationship of mutual understanding or trust and agreement between people
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responsiveness
1. responsive to stimulation
2. the quality of being responsive; reacting quickly; as a quality of people, it involves responding with emotion to people and events
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rhinestone
1. an imitation diamond made from rock crystal or glass or paste
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reptile
1. any cold-blooded vertebrate of the class Reptilia including tortoises, turtles, snakes, lizards, alligators, crocodiles, and extinct forms
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reconsiderMore Definitions →
renegade
1. someone who rebels and becomes an outlaw
2. a disloyal person who betrays or deserts his cause or religion or political party or friend etc.
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reactivity
1. responsive to stimulation
2. ready susceptibility to chemical change
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roar
1. a deep prolonged loud noise
2. a very loud utterance (like the sound of an animal)
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raster
1. the rectangular formation of parallel scanning lines that guide the electron beam on a television screen or a computer monitor
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rascal
1. a deceitful and unreliable scoundrel
2. one who is playfully mischievous
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ransom
1. money demanded for the return of a captured person
2. payment for the release of someone
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rendezvous
1. a meeting planned at a certain time and place
2. a place where people meet
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reformation
1. improvement (or an intended improvement) in the existing form or condition of institutions or practices etc.; intended to make a striking change for the better in social or political or religious affairs
2. rescuing from error and returning to a rightful course
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respectableMore Definitions →
raj
1. British dominion over India (1757-1947)
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rockers
1. originally a British youth subculture that evolved out of the teddy boys in the 1960s; wore black leather jackets and jeans and boots; had greased hair and rode motorcycles and listened to rock'n'roll; were largely unskilled manual laborers
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raft
1. a flat float (usually made of logs or planks) that can be used for transport or as a platform for swimmers
2. (often followed by `of') a large number or amount or extent
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reflux
1. an abnormal backward flow of body fluids
2. the outward flow of the tide
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revolver
1. a pistol with a revolving cylinder (usually having six chambers for bullets)
2. a door consisting of four orthogonal partitions that rotate about a central pivot; a door designed to equalize the air pressure in tall buildings
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rosewood
1. hard dark reddish wood of a rosewood tree having a strongly marked grain; used in cabinetwork
2. any of those hardwood trees of the genus Dalbergia that yield rosewood--valuable cabinet woods of a dark red or purplish color streaked and variegated with black
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rampage
1. violently angry and destructive behavior
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roaring
1. a deep prolonged loud noise
2. a very loud utterance (like the sound of an animal)
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receptionist
1. a secretary whose main duty is to answer the telephone and receive visitors
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resid
1. oil products that remain after petroleum has been distilled
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respite
1. a (temporary) relief from harm or discomfort
2. a pause from doing something (as work)
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responder
1. someone who responds
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revising
1. editing that involves writing something again
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readership
1. the audience reached by written communications (books or magazines or newspapers etc.)
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reconnaissance
1. the act of reconnoitring (especially to gain information about an enemy or potential enemy)
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regatta
1. a meeting for boat races
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riff
1. a jazz ostinato; usually provides a background for a solo improvisation
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reclaimMore Definitions →
richness
1. the property of being extremely abundant
2. abundant wealth
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revue
1. a variety show with topical sketches and songs and dancing and comedians
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rigging
1. gear consisting of ropes etc. supporting a ship's masts and sails
2. formation of masts, spars, sails, etc., on a vessel
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radiance
1. the amount of electromagnetic radiation leaving or arriving at a point on a surface
2. the quality of being bright and sending out rays of light
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reissue
1. a publication (such as a book) that is reprinted without changes or editing and offered again for sale
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restitution
1. a sum of money paid in compensation for loss or injury
2. the act of restoring something to its original state
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repeater
1. a person who repeats
2. someone who is repeatedly arrested for criminal behavior (especially for the same criminal behavior)
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rector
1. a person authorized to conduct religious worship
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rewindMore Definitions →
recourse
1. act of turning to for assistance
2. something or someone turned to for assistance or security
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revoke
1. the mistake of not following suit when able to do so
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reinsurance
1. sharing the risk by insurance companies; part or all of the insurer's risk is assumed by other companies in return for part of the premium paid by the insured
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rink
1. building that contains a surface for ice skating or roller skating
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resultant
1. the final point in a process
2. something that results
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rho
1. the 17th letter of the Greek alphabet
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reconcileMore Definitions →
retina
1. the innermost light-sensitive membrane covering the back wall of the eyeball; it is continuous with the optic nerve
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retinal
1. either of two yellow to red retinal pigments formed from rhodopsin by the action of light
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roadster
1. an open automobile having a front seat and a rumble seat
2. a small lightweight carriage; drawn by a single horse
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retaliation
1. action taken in return for an injury or offense
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respiration
1. the metabolic processes whereby certain organisms obtain energy from organic molecules; processes that take place in the cells and tissues during which energy is released and carbon dioxide is produced and absorbed by the blood to be transported to the lungs
2. a single complete act of breathing in and out
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rapper
1. someone who performs rap music
2. a device (usually metal and ornamental) attached by a hinge to a door
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reductase
1. an enzyme that catalyses the biochemical reduction of some specified substance
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redneck
1. a poor White person in the southern United States
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reindeer
1. Arctic deer with large antlers in both sexes; called `reindeer' in Eurasia and `caribou' in North America
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rivalry
1. the act of competing as for profit or a prize
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reconsideration
1. a consideration of a topic (as in a meeting) with a view to changing an earlier decision
2. thinking again about a choice previously made
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reimburseMore Definitions →
ripple
1. a small wave on the surface of a liquid
2. (electronics) an oscillation of small amplitude imposed on top of a steady value
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radiotherapy
1. (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance
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recombination
1. (physics) a combining of charges or transfer of electrons in a gas that results in the neutralization of ions; important for ions arising from the passage of high-energy particles
2. (genetics) a combining of genes or characters different from what they were in the parents
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raglan
1. a garment (coat or sweater) that has raglan sleeves
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rebirth
1. after death the soul begins a new cycle of existence in another human body
2. a second or new birth
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rhythmicMore Definitions →
requiem
1. a song or hymn of mourning composed or performed as a memorial to a dead person
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rattle
1. a rapid series of short loud sounds (as might be heard with a stethoscope in some types of respiratory disorders)
2. a baby's toy that makes percussive noises when shaken
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rewriting
1. editing that involves writing something again
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raceway
1. a canal for a current of water
2. a course over which races are run
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radon
1. a radioactive gaseous element formed by the disintegration of radium; the heaviest of the inert gasses; occurs naturally (especially in areas over granite) and is considered a hazard to health
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rupture
1. state of being torn or burst open
2. a personal or social separation (as between opposing factions)
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rosary
1. a string of beads used in counting prayers (especially by Catholics)
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regrets
1. a polite refusal of an invitation
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resilience
1. the physical property of a material that can return to its original shape or position after deformation that does not exceed its elastic limit
2. an occurrence of rebounding or springing back
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reagent
1. a chemical agent for use in chemical reactions
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rendition
1. a performance of a musical composition or a dramatic role etc.
2. an explanation of something that is not immediately obvious
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roundabout
1. a road junction at which traffic streams circularly around a central island
2. a large, rotating machine with seats for children to ride on for amusement
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rial
1. the basic unit of money in Yemen; equal to 100 fils
2. the basic unit of money in Oman
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rift
1. a gap between cloud masses
2. a narrow fissure in rock
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remit
1. the topic that a person, committee, or piece of research is expected to deal with or has authority to deal with
2. (law) the act of remitting (especially the referral of a law case to another court)
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revere
1. a lapel on a woman's garment; turned back to show the reverse side
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rambler
1. a person who takes long walks in the country
2. a person whose speech or writing is not well organized
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refurbishment
1. the state of being restored to its former good condition
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reinstallMore Definitions →
ramblingMore Definitions →
relapse
1. a failure to maintain a higher state
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racquet
1. a sports implement (usually consisting of a handle and an oval frame with a tightly interlaced network of strings) used to strike a ball (or shuttlecock) in various games
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republication
1. something that has been published again; a fresh publication (as of a literary work)
2. the act of publishing again
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revitalization
1. bringing again into activity and prominence
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resonantMore Definitions →
rearing
1. the properties acquired as a consequence of the way you were treated as a child
2. helping someone grow up to be an accepted member of the community
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remnant
1. a small part or portion that remains after the main part no longer exists
2. a piece of cloth that is left over after the rest has been used or sold
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roamMore Definitions →
resemblance
1. similarity in appearance or external or superficial details
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rapture
1. a state of being carried away by overwhelming emotion
2. a state of elated bliss
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robustness
1. the property of being strong and healthy in constitution
2. the characteristic of being strong enough to withstand intellectual challenge
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ratchet
1. mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction
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ridley
1. a marine turtle
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reinstatement
1. the condition of being reinstated
2. the act of restoring someone to a previous position
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racquetball
1. the ball used in playing the game of racquetball
2. a game played on a handball court with short-handled rackets
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reluctance
1. (physics) opposition to magnetic flux (analogous to electric resistance)
2. a certain degree of unwillingness
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ration
1. the food allowance for one day (especially for service personnel)
2. a fixed portion that is allotted (especially in times of scarcity)
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remission
1. an abatement in intensity or degree (as in the manifestations of a disease)
2. a payment of money sent to a person in another place
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receptacle
1. a container that is used to put or keep things in
2. enlarged tip of a stem that bears the floral parts
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repurchase
1. the act of purchasing back something previously sold
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renewingMore Definitions →
rune
1. any character from an ancient Germanic alphabet used in Scandinavia from the 3rd century to the Middle Ages
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retrospect
1. contemplation of things past
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repentance
1. remorse for your past conduct
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rodent
1. relatively small placental mammals having a single pair of constantly growing incisor teeth specialized for gnawing
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racket
1. a loud and disturbing noise
2. an illegal enterprise (such as extortion or fraud or drug peddling or prostitution) carried on for profit
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recursion
1. (mathematics) an expression such that each term is generated by repeating a particular mathematical operation; also, the repeated application or execution of a pattern, function or definition; an expression that is recursive
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restorative
1. a medicine that strengthens and invigorates
2. a device for treating injury or disease
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rabies
1. an acute viral disease of the nervous system of warm-blooded animals (usually transmitted by the bite of a rabid animal); rabies is fatal if the virus reaches the brain
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readability
1. the quality of written language that makes it easy to read and understand
2. a quality of writing (print or handwriting) that can be easily read
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redress
1. a sum of money paid in compensation for loss or injury
2. act of correcting an error or a fault or an evil
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rein
1. one of a pair of long straps (usually connected to the bit or the headpiece) used to control a horse
2. any means of control
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realisation
1. a musical composition that has been completed or enriched by someone other than the composer
2. coming to understand something clearly and distinctly
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riser
1. a person who rises (especially from bed)
2. a vertical pipe in a building
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ruff
1. an external body part consisting of feathers or hair about the neck of a bird or other animal
2. a high tight collar
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rapporteur
1. a recorder appointed by a committee to prepare reports of the meetings
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roper
1. a decoy who lures customers into a gambling establishment (especially one with a fixed game)
2. a cowboy who uses a lasso to rope cattle or horses
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rethink
1. thinking again about a choice previously made
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reckoning
1. problem solving that involves numbers or quantities
2. a bill for an amount due
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relic
1. an antiquity that has survived from the distant past
2. something of sentimental value
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rooftop
1. the top of a (usually flat) roof
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reconstructMore Definitions →
rosebud
1. the bud of a rose
2. (a literary reference to) a pretty young girl
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ramona
1. shrubby plant with aromatic greyish-green leaves used as a cooking herb
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rumour
1. gossip (usually a mixture of truth and untruth) passed around by word of mouth
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rayon
1. a synthetic silklike fabric
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roasting
1. cooking (meat) by dry heat in an oven (usually with fat added)
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resentment
1. a feeling of deep and bitter anger and ill-will
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relevancy
1. the relation of something to the matter at hand
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refractory
1. lining consisting of material with a high melting point; used to line the inside walls of a furnace
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remand
1. the act of sending an accused person back into custody to await trial (or the continuation of the trial)
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relish
1. vigorous and enthusiastic enjoyment
2. spicy or savory condiment
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raja
1. a prince or king in India
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ringgit
1. the basic unit of money in Malaysia; equal to 100 sen
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reverence
1. a feeling of profound respect for someone or something
2. a reverent mental attitude
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refresher
1. a fee (in addition to that marked on the brief) paid to counsel in a case that lasts more than one day
2. a drink that refreshes
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rubble
1. the remains of something that has been destroyed or broken up
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redoMore Definitions →
rationality
1. the state of having good sense and sound judgment
2. the quality of being consistent with or based on logic
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retrofit
1. a component or accessory added to something after it has been manufactured
2. the act of adding a component or accessory to something that did not have it when it was manufactured
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rheumatology
1. the branch of medicine dealing with the study and treatment of pathologies of the muscles or tendons or joints
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rattan
1. climbing palm of Sri Lanka and southern India remarkable for the great length of the stems which are used for malacca canes
2. the stem of various climbing palms of the genus Calamus and related genera used to make wickerwork and furniture and canes
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raiser
1. a bridge partner who increases the partner's bid
2. someone concerned with the science or art or business of cultivating the soil
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retiree
1. someone who has retired from active working
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repellent
1. a compound with which fabrics are treated to repel water
2. a chemical substance that repels animals
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rhodium
1. a white hard metallic element that is one of the platinum group and is found in platinum ores; used in alloys with platinum
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remittance
1. a payment of money sent to a person in another place
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rarity
1. noteworthy scarcity
2. a rarified quality
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regularity
1. a property of polygons: the property of having equal sides and equal angles
2. the quality of being characterized by a fixed principle or rate
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recount
1. an additional (usually a second) count; especially of the votes in a close election
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recollection
1. the ability to recall past occurrences
2. the process of remembering (especially the process of recovering information by mental effort)
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railing
1. a barrier consisting of a horizontal bar and supports
2. material for making rails or rails collectively
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reciprocity
1. a relation of mutual dependence or action or influence
2. mutual exchange of commercial or other privileges
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retainer
1. a fee charged in advance to retain the services of someone
2. a person working in the service of another (especially in the household)
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restroom
1. a toilet that is available to the public
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rouseMore Definitions →
repriseMore Definitions →
rubric
1. an authoritative rule of conduct or procedure
2. an explanation or definition of an obscure word in a text
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reeve
1. female ruff
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reclining
1. the act of assuming or maintaining a reclining position
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readout
1. the output of a computer in readable form
2. the information displayed or recorded on an electronic device
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restructureMore Definitions →
resettlement
1. the transportation of people (as a family or colony) to a new settlement (as after an upheaval of some kind)
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repatriation
1. the act of returning to the country of origin
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respirator
1. a breathing device for administering long-term artificial respiration
2. a protective mask with a filter; protects the face and lungs against poisonous gases
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randomness
1. (thermodynamics) a thermodynamic quantity representing the amount of energy in a system that is no longer available for doing mechanical work
2. the quality of lacking any predictable order or plan
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rerun
1. a program that is broadcast again
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reis
1. any rational or irrational number
2. the basic unit of money in Brazil; equal to 100 centavos
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rudder
1. a hinged vertical airfoil mounted at the tail of an aircraft and used to make horizontal course changes
2. (nautical) steering mechanism consisting of a hinged vertical plate mounted at the stern of a vessel
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rounder
1. a dissolute person; usually a man who is morally unrestrained
2. a tool for rounding corners or edges
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repost
1. A post on social media that has already been posted
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rockabilly
1. a fusion of black music and country music that was popular in the 1950s; sometimes described as blues with a country beat
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reflexology
1. the study of reflex action as it relates to the behavior of organisms
2. massage to relieve tension by finger pressure; based on the belief that there are reflex points on the feet, hands, and head that are connected to every part of the body
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rundown
1. a concluding summary (as in presenting a case before a law court)
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rigidity
1. the physical property of being stiff and resisting bending
2. the quality of being rigid and rigorously severe
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rudd
1. European freshwater fish resembling the roach
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ridicule
1. language or behavior intended to mock or humiliate
2. the act of deriding or treating with contempt
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repertory
1. a storehouse where a stock of things is kept
2. the entire range of skills or aptitudes or devices used in a particular field or occupation
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rebuttal
1. the speech act of refuting by offering a contrary contention or argument
2. (law) a pleading by the defendant in reply to a plaintiff's surrejoinder
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resection
1. surgical removal of part of a structure or organ
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requester
1. one praying humbly for something
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radioactivity
1. the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay
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reorder
1. a repeated order for the same merchandise
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recoil
1. the backward jerk of a gun when it is fired
2. a movement back from an impact
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raisin
1. dried grape
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reproducibleMore Definitions →
requisition
1. the act of requiring; an authoritative request or demand, especially by a military or public authority that takes something over (usually temporarily) for military or public use
2. an official form on which a request is made
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roadrunner
1. speedy largely terrestrial bird found from California and Mexico to Texas
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recliner
1. an armchair whose back can be lowered and foot can be raised to allow the sitter to recline in it
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reincarnation
1. embodiment in a new form (especially the reappearance or a person in another form)
2. a second or new birth
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resumption
1. beginning again
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robber
1. a thief who steals from someone by threatening violence
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roving
1. travelling about without any clear destination
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rejuvenation
1. the phenomenon of vitality and freshness being restored
2. the act of restoring to a more youthful condition
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rollback
1. the act of forcing the enemy to withdraw
2. reducing prices back to some earlier level
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returnableMore Definitions →
resuscitation
1. the act of reviving a person and returning them to consciousness
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regenerateMore Definitions →
ranting
1. a loud bombastic declamation expressed with strong emotion
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rainwater
1. drops of fresh water that fall as precipitation from clouds
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raving
1. declaiming wildly
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rallying
1. the act of mobilizing for a common purpose
2. the feat of mustering strength for a renewed effort
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reinvestment
1. a second or subsequent investment in the same thing.
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riel
1. the basic unit of money in Cambodia; equal to 100 sen
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retribution
1. a justly deserved penalty
2. the act of correcting for your wrongdoing
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rota
1. a roster of names showing the order in which people should perform certain duties
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roughness
1. a texture of a surface or edge that is not smooth but is irregular and uneven
2. the quality of being harsh or rough or grating to the senses
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republishMore Definitions →
redness
1. a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat
2. red color or pigment; the chromatic color resembling the hue of blood
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rooting
1. the process of putting forth roots and beginning to grow
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retard
1. a person of subnormal intelligence
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remorse
1. a feeling of deep regret (usually for some misdeed)
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recapture
1. a legal seizure by the government of profits beyond a fixed amount
2. the act of taking something back
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retardant
1. any agent that retards or delays or hinders
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raccoon
1. the fur of the North American racoon
2. an omnivorous nocturnal mammal native to North America and Central America
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redshift
1. (astronomy) a shift in the spectra of very distant galaxies toward longer wavelengths (toward the red end of the spectrum); generally interpreted as evidence that the universe is expanding
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reasonableness
1. the state of having good sense and sound judgment
2. goodness of reason and judgment
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realist
1. a philosopher who believes that universals are real and exist independently of anyone thinking of them
2. a person who accepts the world as it literally is and deals with it accordingly
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reflectivity
1. the fraction of radiant energy that is reflected from a surface
2. the ability to reflect beams or rays
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ruffle
1. a strip of pleated material used as a decoration or a trim
2. a high tight collar
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rectifier
1. electrical device that transforms alternating into direct current
2. a person who corrects or sets right
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rivet
1. ornament consisting of a circular rounded protuberance (as on a vault or shield or belt)
2. heavy pin having a head at one end and the other end being hammered flat after being passed through holes in the pieces that are fastened together
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rupiah
1. the basic unit of money in Indonesia; equal to 100 sen
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roost
1. a shelter with perches for fowl or other birds
2. a perch on which domestic fowl rest or sleep
More Definitions →
rotting
1. (biology) the process of decay caused by bacterial or fungal action
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rackingMore Definitions →
redeemer
1. someone who redeems or buys back (promissory notes or merchandise or commercial paper etc.)
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resurgence
1. bringing again into activity and prominence
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recitation
1. written matter that is recited from memory
2. a public instance of reciting or repeating (from memory) something prepared in advance
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reflectance
1. the fraction of radiant energy that is reflected from a surface
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rheumatic
1. a person suffering with rheumatism
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rook
1. (chess) the piece that can move any number of unoccupied squares in a direction parallel to the sides of the chessboard
2. common gregarious Old World bird about the size and color of the American crow
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resistivity
1. a material's opposition to the flow of electric current; measured in ohms
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reassurance
1. the act of reassuring; restoring someone's confidence
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reunification
1. the act of coming together again
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refreshment
1. snacks and drinks served as a light meal
2. activity that refreshes and recreates; activity that renews your health and spirits by enjoyment and relaxation
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rosette
1. an ornament or pattern resembling a rose that is worn as a badge of office or as recognition of having won an honor
2. rhizoctinia disease of potatoes
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redox
1. a reversible chemical reaction in which one reaction is an oxidation and the reverse is a reduction
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radii
1. the length of a line segment between the center and circumference of a circle or sphere
2. a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)
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recyclableMore Definitions →
roomy
1. an associate who shares a room with you
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reiterateMore Definitions →
reliever
1. someone who takes the place of another (as when things get dangerous or difficult)
2. a person who reduces the intensity (e.g., of fears) and calms and pacifies
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refrigerant
1. any substance used to provide cooling (as in a refrigerator)
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ruining
1. destruction achieved by causing something to be wrecked or ruined
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roux
1. a mixture of fat and flour heated and used as a basis for sauces
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rosacea
1. a skin disease of adults (more often women) in which blood vessels of the face enlarge resulting in a flushed appearance
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rhea
1. smaller of two tall fast-running flightless birds similar to ostriches but three-toed; found from Peru to Strait of Magellan
2. larger of two tall fast-running flightless birds similar to ostriches but three-toed; found from Brazil to Patagonia
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rabble
1. a disorderly crowd of people
2. disparaging terms for the common people
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rung
1. a crosspiece between the legs of a chair
2. one of the crosspieces that form the steps of a ladder
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rawhide
1. untanned hide especially of cattle; cut in strips it is used for whips and ropes
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rut
1. a groove or furrow (especially one in soft earth caused by wheels)
2. a settled and monotonous routine that is hard to escape
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revaluation
1. a new appraisal or evaluation
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romp
1. an easy victory
2. a girl who behaves in a boyish manner
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retraining
1. training for a new occupation
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revampMore Definitions →
rubella
1. a contagious viral disease that is a milder form of measles lasting three or four days; can be damaging to a fetus during the first trimester
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revel
1. unrestrained merrymaking
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romanticism
1. impractical romantic ideals and attitudes
2. an exciting and mysterious quality (as of a heroic time or adventure)
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reinstateMore Definitions →
reformer
1. a disputant who advocates reform
2. an apparatus that reforms the molecular structure of hydrocarbons to produce richer fuel
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ravine
1. a deep narrow steep-sided valley (especially one formed by running water)
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revitalizeMore Definitions →
racetrack
1. a course over which races are run
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rivetingMore Definitions →
reflexive
1. a personal pronoun compounded with -self to show the agent's action affects the agent
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rouble
1. the basic unit of money in Russia
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refraction
1. the change in direction of a propagating wave (light or sound) when passing from one medium to another
2. the amount by which a propagating wave is bent
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renown
1. the state or quality of being widely honored and acclaimed
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repose
1. freedom from activity (work or strain or responsibility)
2. the absence of mental stress or anxiety
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risqueMore Definitions →
rancher
1. a person who owns or operates a ranch
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rout
1. a disorderly crowd of people
2. an overwhelming defeat
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refueling
1. the activity of supplying or taking on fuel
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ramble
1. an aimless amble on a winding course
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radix
1. (numeration system) the positive integer that is equivalent to one in the next higher counting place
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racecourse
1. a course over which races are run
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retrogradeMore Definitions →
reproducibility
1. the quality of being reproducible
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reactionary
1. an extreme conservative; an opponent of progress or liberalism
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rearrangeMore Definitions →
ravel
1. a row of unravelled stitches
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rigor
1. something hard to endure
2. the quality of being valid and rigorous
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radium
1. an intensely radioactive metallic element that occurs in minute amounts in uranium ores
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rowdy
1. a cruel and brutal fellow
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regress
1. the reasoning involved when you assume the conclusion is true and reason backward to the evidence
2. returning to a former state
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resonator
1. a hollow chamber whose dimensions allow the resonant oscillation of electromagnetic or acoustic waves
2. an electrical circuit that combines capacitance and inductance in such a way that a periodic electric oscillation will reach maximum amplitude
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refrigerateMore Definitions →
rhubarb
1. long pinkish sour leafstalks usually eaten cooked and sweetened
2. plants having long green or reddish acidic leafstalks growing in basal clumps; stems (and only the stems) are edible when cooked; leaves are poisonous
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ragtime
1. music with a syncopated melody (usually for the piano)
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reticulum
1. any fine network (especially one in the body composed of cells or blood vessels)
2. the second compartment of the stomach of a ruminant
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rusk
1. slice of sweet raised bread baked again until it is brown and hard and crisp
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revivingMore Definitions →
rehabilitateMore Definitions →
reassessment
1. a new appraisal or evaluation
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retreated
1. people who have retreated
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restatement
1. a revised statement
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reclassification
1. classifying something again (usually in a new category)
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ream
1. a large quantity of written matter
2. a quantity of paper; 480 or 500 sheets; one ream equals 20 quires
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reversion
1. (law) an interest in an estate that reverts to the grantor (or his heirs) at the end of some period (e.g., the death of the grantee)
2. (genetics) a return to a normal phenotype (usually resulting from a second mutation)
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reducer
1. a substance capable of bringing about the reduction of another substance as it itself is oxidized; used in photography to lessen the density of a negative or print by oxidizing some of the loose silver
2. pipefitting that joins two pipes of different diameter
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roebuck
1. male roe deer
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rotisserie
1. an oven or broiler equipped with a rotating spit on which meat cooks as it turns
2. a restaurant that specializes in roasted and barbecued meats
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replenishMore Definitions →
replenishment
1. filling again by supplying what has been used up
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regimentalMore Definitions →
relinquishMore Definitions →
retinopathy
1. a disease of the retina that can result in loss of vision
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rafts
1. a large number or amount
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recessive
1. an allele that produces its characteristic phenotype only when its paired allele is identical
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redefinition
1. the act of giving a new definition
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rationing
1. the act of rationing
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rete
1. a network of intersecting blood vessels or intersecting nerves or intersecting lymph vessels
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renounceMore Definitions →
rhinitis
1. an inflammation of the mucous membrane lining the nose (usually associated with nasal discharge)
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reproach
1. a mild rebuke or criticism
2. disgrace or shame
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rationalizeMore Definitions →
rousing
1. the act of arousing
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roaster
1. a harsh or humorous critic (sometimes intended as a facetious compliment)
2. a cook who roasts food
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radiologist
1. a medical specialist who uses radioactive substances and X-rays in the treatment of disease
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rattling
1. a rapid series of short loud sounds (as might be heard with a stethoscope in some types of respiratory disorders)
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reallocation
1. a share that has been allocated again
2. a new apportionment (especially a new apportionment of congressional seats in the United States on the basis of census results)
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rind
1. the natural outer covering of food (usually removed before eating)
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reassignment
1. assignment to a different duty
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revolutionizeMore Definitions →
rejoicing
1. a feeling of great happiness
2. the utterance of sounds expressing great joy
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repaintMore Definitions →
resoluteMore Definitions →
rote
1. memorization by repetition
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rehearing
1. the act of hearing again
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ruse
1. a deceptive maneuver (especially to avoid capture)
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rattlesnake
1. pit viper with horny segments at the end of the tail that rattle when shaken
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reentry
1. the act of entering again
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rapidity
1. a rate that is rapid
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rearrangement
1. changing an arrangement
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riyal
1. the basic unit of money in Saudi Arabia
2. the basic unit of money in Qatar
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reprimand
1. an act or expression of criticism and censure
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retraction
1. a disavowal or taking back of a previous assertion
2. the act of pulling or holding or drawing a part back
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rumba
1. syncopated music in duple time for dancing the rumba
2. a folk dance in duple time that originated in Cuba with Spanish and African elements; features complex footwork and violent movement
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retort
1. a quick reply to a question or remark (especially a witty or critical one)
2. a vessel where substances are distilled or decomposed by heat
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refilling
1. filling again by supplying what has been used up
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rangefinder
1. a measuring instrument (acoustic or optical or electronic) for finding the distance of an object
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repleteMore Definitions →
rhododendron
1. any shrub of the genus Rhododendron: evergreen shrubs or small shrubby trees having leathery leaves and showy clusters of campanulate (bell-shaped) flowers
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referentialMore Definitions →
repressor
1. an agent that represses
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relativism
1. (philosophy) the philosophical doctrine that all criteria of judgment are relative to the individuals and situations involved
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rump
1. the part of an animal that corresponds to the human buttocks
2. fleshy hindquarters; behind the loin and above the round
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rebuke
1. an act or expression of criticism and censure
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rani
1. (the feminine of raja) a Hindu princess or the wife of a raja
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rhinoplasty
1. cosmetic surgery to improve the appearance of your nose
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roadhouse
1. an inn (usually outside city limits on a main road) providing meals and liquor and dancing and (sometimes) gambling
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ravioli
1. small circular or square cases of dough with savory fillings
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ribosome
1. an organelle in the cytoplasm of a living cell; they attach to mRNA and move down it one codon at a time and then stop until tRNA brings the required amino acid; when it reaches a stop codon it falls apart and releases the completed protein molecule for use by the cell
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rectification
1. (chemistry) the process of refinement or purification of a substance by distillation
2. the conversion of alternating current to direct current
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ricochet
1. a glancing rebound
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reelection
1. election again
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restlessness
1. the quality of being ceaselessly moving or active
2. a lack of patience; irritation with anything that causes delay
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regaining
1. getting something back again
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rickey
1. a mixed drink made of sweetened lime juice and soda water usually with liquor
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reorganisation
1. the imposition of a new organization; organizing differently (often involving extensive and drastic changes)
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rectory
1. an official residence provided by a church for its parson or vicar or rector
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rotunda
1. a building having a circular plan and a dome
2. a large circular room
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reforestation
1. the restoration (replanting) of a forest that had been reduced by fire or cutting
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roping
1. capturing cattle or horses with a lasso
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riboflavin
1. a B vitamin that prevents skin lesions and weight loss
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romper
1. a person who romps or frolics
2. a one-piece garment for children to wear at play; the lower part is shaped like bloomers
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rummy
1. a chronic drinker
2. a card game based on collecting sets and sequences; the winner is the first to meld all their cards
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rediscoverMore Definitions →
reorganizeMore Definitions →
recalculateMore Definitions →
rococo
1. fanciful but graceful asymmetric ornamentation in art and architecture that originated in France in the 18th century
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risotto
1. rice cooked with broth and sprinkled with grated cheese
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rejuvenateMore Definitions →
recoupMore Definitions →
rationalization
1. the cognitive process of making something seem consistent with or based on reason
2. (psychiatry) a defense mechanism by which your true motivation is concealed by explaining your actions and feelings in a way that is not threatening
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rhinoceros
1. massive powerful herbivorous odd-toed ungulate of southeast Asia and Africa having very thick skin and one or two horns on the snout
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retake
1. a shot or scene that is photographed again
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roan
1. a soft sheepskin leather that is colored and finished to resemble morocco; used in bookbinding
2. a horse having a brownish coat thickly sprinkled with white or gray
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rheumatism
1. any painful disorder of the joints or muscles or connective tissues
2. a chronic autoimmune disease with inflammation of the joints and marked deformities; something (possibly a virus) triggers an attack on the synovium by the immune system, which releases cytokines that stimulate an inflammatory reaction that can lead to the destruction of all components of the joint
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rucksack
1. a bag carried by a strap on your back or shoulder
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rhesus
1. of southern Asia; used in medical research
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rangeland
1. land suitable for grazing livestock
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roselle
1. East Indian sparsely prickly annual herb or perennial subshrub widely cultivated for its fleshy calyxes used in tarts and jelly and for its bast fiber
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rockfish
1. the lean flesh of any of various valuable market fish caught among rocks
2. marine food fish found among rocks along the northern coasts of Europe and America
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rya
1. a shag rug made in Sweden
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reefer
1. marijuana leaves rolled into a cigarette for smoking
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romaine
1. lettuce with long dark-green leaves in a loosely packed elongated head
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rooter
1. an enthusiastic devotee of sports
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riverbank
1. the bank of a river
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riddance
1. the act of removing or getting rid of something
2. the act of forcing out someone or something
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ricotta
1. soft Italian cheese like cottage cheese
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ranching
1. farming for the raising of livestock (particularly cattle)
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rondo
1. a musical form that is often the last movement of a sonata
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reposition
1. depositing in a warehouse
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razz
1. a cry or noise made to express displeasure or contempt
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resiliency
1. an occurrence of rebounding or springing back
2. the physical property of a material that can return to its original shape or position after deformation that does not exceed its elastic limit
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randomization
1. a deliberately haphazard arrangement of observations so as to simulate chance
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rinsing
1. the removal of soap with clean water in the final stage of washing
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rescheduleMore Definitions →
radish
1. pungent fleshy edible root
2. radish of Japan with a long hard durable root eaten raw or cooked
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ripening
1. coming to full development; becoming mature
2. acquiring desirable qualities by being left undisturbed for some time
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reparation
1. compensation (given or received) for an insult or injury
2. (usually plural) compensation exacted from a defeated nation by the victors
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retinol
1. an unsaturated alcohol that occurs in marine fish-liver oils and is synthesized biologically from carotene
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rhizome
1. a horizontal plant stem with shoots above and roots below serving as a reproductive structure
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radian
1. the unit of plane angle adopted under the Systeme International d'Unites; equal to the angle at the center of a circle subtended by an arc equal in length to the radius (approximately 57.295 degrees)
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reordering
1. a rearrangement in a different order
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rescission
1. (law) the act of rescinding; the cancellation of a contract and the return of the parties to the positions they would have had if the contract had not been made
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ribose
1. a pentose sugar important as a component of ribonucleic acid
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recidivism
1. habitual relapse into crime
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rounders
1. an English ball game similar to baseball
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repositioning
1. the act of placing in a new position
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roundhouse
1. workplace consisting of a circular building for repairing locomotives
2. a hook delivered with an exaggerated swing
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reverting
1. a failure to maintain a higher state
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recounting
1. an act of narration
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revisionist
1. a Communist who tries to rewrite Marxism to justify a retreat from the revolutionary position
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renin
1. a proteolytic enzyme secreted by the kidneys; catalyzes the formation of angiotensin and thus affects blood pressure
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rapier
1. a straight sword with a narrow blade and two edges
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raidingMore Definitions →
rioting
1. a state of disorder involving group violence
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repudiation
1. rejecting or disowning or disclaiming as invalid
2. refusal to acknowledge or pay a debt or honor a contract (especially by public authorities)
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reprinting
1. a publication (such as a book) that is reprinted without changes or editing and offered again for sale
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reportage
1. the news as presented by reporters for newspapers or radio or television
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riverbed
1. a channel occupied (or formerly occupied) by a river
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readmission
1. the act of admitting someone again
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rematch
1. something (especially a game) that is played again
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reverie
1. absentminded dreaming while awake
2. an abstracted state of absorption
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repulsion
1. the force by which bodies repel one another
2. intense aversion
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resurrectMore Definitions →
receding
1. a slow or gradual disappearance
2. the act of becoming more distant
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repairer
1. a skilled worker who mends or repairs things
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redeMore Definitions →
recastMore Definitions →
ruckus
1. the act of making a noisy disturbance
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raincoat
1. a water-resistant coat
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rampart
1. an embankment built around a space for defensive purposes
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regalia
1. paraphernalia indicative of royalty (or other high office)
2. especially fine or decorative clothing
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retaliateMore Definitions →
regularization
1. the condition of having been made regular (or more regular)
2. the act of bringing to uniformity; making regular
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raver
1. a participant in a rave dancing party
2. someone who rants and raves; speaks in a violent or loud manner
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retransmitMore Definitions →
recirculation
1. circulation again
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rood
1. representation of the cross on which Jesus died
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reprieve
1. a (temporary) relief from harm or discomfort
2. an interruption in the intensity or amount of something
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radiometer
1. meter to detect and measure radiant energy (electromagnetic or acoustic)
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rappingMore Definitions →
rheology
1. the branch of physics that studies the deformation and flow of matter
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roadblock
1. any condition that makes it difficult to make progress or to achieve an objective
2. a barrier set up by police to stop traffic on a street or road in order to catch a fugitive or inspect traffic etc.
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recollectMore Definitions →
ruble
1. the basic unit of money in Tajikistan
2. the basic unit of money in Russia
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regionalism
1. a feature (as a pronunciation or expression or custom) that is characteristic of a particular region
2. a foreign policy that defines the international interests of a country in terms of particular geographic areas
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rosin
1. any of a class of solid or semisolid viscous substances obtained either as exudations from certain plants or prepared by polymerization of simple molecules
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renunciation
1. rejecting or disowning or disclaiming as invalid
2. the state of having rejected your religious beliefs for your political party or a cause (often in favor of opposing beliefs or causes)
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reformist
1. a disputant who advocates reform
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reprisal
1. a retaliatory action against an enemy in wartime
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rafter
1. one of several parallel sloping beams that support a roof
2. someone who travels by raft
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rumbling
1. a loud low dull continuous noise
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remadeMore Definitions →
refutation
1. the speech act of answering an attack on your assertions
2. any evidence that helps to establish the falsity of something
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reactivateMore Definitions →
redeployment
1. the withdrawal and redistribution of forces in an attempt to use them more effectively
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referent
1. something referred to; the object of a reference
2. the first term in a proposition; the term to which other terms relate
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reintroduction
1. an act of renewed introduction
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recluse
1. one who lives in solitude
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remaking
1. creation that is created again or anew
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refurbishMore Definitions →
rebroadcast
1. a broadcast that repeated at a later time
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retrofittingMore Definitions →
radicalism
1. the political orientation of those who favor revolutionary change in government and society
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railroading
1. the activity of designing and constructing and operating railroads
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rower
1. someone who rows a boat
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rocketry
1. the branch of engineering science that studies rocket design and operation
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rationalisation
1. (psychiatry) a defense mechanism by which your true motivation is concealed by explaining your actions and feelings in a way that is not threatening
2. the cognitive process of making something seem consistent with or based on reason
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repossession
1. the action of regaining possession (especially the seizure of collateral securing a loan that is in default)
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radiocarbon
1. a radioactive isotope of carbon
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ragweed
1. widespread European weed having yellow daisylike flowers; sometimes an obnoxious weed and toxic to cattle if consumed in quantity
2. any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma
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reestablishMore Definitions →
recompense
1. payment or reward (as for service rendered)
2. the act of compensating for service or loss or injury
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reticle
1. a network of fine lines, dots, cross hairs, or wires in the focal plane of the eyepiece of an optical instrument
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ridgeline
1. a long narrow range of hills
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remarriage
1. the act of marrying again
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refiner
1. one whose work is to refine a specific thing
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rami
1. the posterior part of the mandible that is more or less vertical
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racoon
1. an omnivorous nocturnal mammal native to North America and Central America
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relaxant
1. a drug that relaxes and relieves tension
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ribavirin
1. an inhaled antiviral agent (trade name Virazole) that may be used to treat serious virus infections
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reminisceMore Definitions →
rudeness
1. a manner that is rude and insulting
2. a wild or unrefined state
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rotavirus
1. the reovirus causing infant enteritis
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ringside
1. first row of seating; has an unobstructed view of a boxing or wrestling ring
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rebus
1. a puzzle where you decode a message consisting of pictures representing syllables and words
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repellant
1. a compound with which fabrics are treated to repel water
2. a chemical substance that repels animals
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receivership
1. the state of property that is in the hands of a receiver
2. a court action that places property under the control of a receiver during litigation so that it can be preserved for the benefit of all
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ringworm
1. infections of the skin or nails caused by fungi and appearing as itching circular patches
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redfish
1. North Atlantic rockfish
2. large edible fish found off coast of United States from Massachusetts to Mexico
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relatedness
1. a particular manner of connectedness
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ruck
1. a crowd especially of ordinary or undistinguished persons or things
2. an irregular fold in an otherwise even surface (as in cloth)
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rouser
1. someone who rouses others from sleep
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repute
1. the state of being held in high esteem and honor
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rippling
1. a small wave on the surface of a liquid
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rationalism
1. (philosophy) the doctrine that knowledge is acquired by reason without resort to experience
2. the theological doctrine that human reason rather than divine revelation establishes religious truth
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regurgitation
1. backflow of blood through a defective heart valve
2. recall after rote memorization
More Definitions →
reptilian
1. any cold-blooded vertebrate of the class Reptilia including tortoises, turtles, snakes, lizards, alligators, crocodiles, and extinct forms
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ritonavir
1. a protease inhibitor (trade name Norvir) used in treating HIV
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rime
1. ice crystals forming a white deposit (especially on objects outside)
2. correspondence in the sounds of two or more lines (especially final sounds)
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racketeering
1. engaging in a racket
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rheum
1. a watery discharge from the mucous membranes (especially from the eyes or nose)
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reductiveMore Definitions →
reassembly
1. assembling again
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respectability
1. honorableness by virtue of being respectable and having a good reputation
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referenda
1. a legislative act is referred for final approval to a popular vote by the electorate
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rigour
1. the quality of being valid and rigorous
2. something hard to endure
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reshuffle
1. a redistribution of something
2. shuffling again
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reseda
1. any plant of the genus Reseda
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roadkill
1. the dead body of an animal that has been killed on a road by a vehicle
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reexamination
1. (law) questioning of a witness by the party that called the witness after that witness has been subject to cross-examination
2. a subsequent examination of a patient for the purpose of monitoring earlier treatment
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rusting
1. the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water
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rescuer
1. a person who rescues you from harm or danger
2. someone who saves something from danger or violence
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remoteness
1. the property of being remote
2. a disposition to be distant and unsympathetic in manner
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ruminant
1. any of various cud-chewing hoofed mammals having a stomach divided into four (occasionally three) compartments
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rickshaw
1. a small two-wheeled cart for one passenger; pulled by one person
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reuptake
1. a process of using up or consuming again
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ribonuclease
1. a transferase that catalyzes the hydrolysis of ribonucleic acid
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russet
1. a reddish brown homespun fabric
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rumen
1. the first compartment of the stomach of a ruminant; here food is collected and returned to the mouth as cud for chewing
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relegation
1. authorizing subordinates to make certain decisions
2. the act of assigning (someone or something) to a particular class or category
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resorption
1. the organic process in which the substance of some differentiated structure that has been produced by the body undergoes lysis and assimilation
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radioimmunoassay
1. immunoassay of a substance that has been radioactively labeled
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runt
1. disparaging terms for small people
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retinoblastoma
1. malignant ocular tumor of retinal cells; usually occurs before the third year of life; composed of primitive small round retinal cells
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rifampin
1. an antibacterial drug (trade names Rifadin and Rimactane) used to treat tuberculosis
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rehash
1. old material that is slightly reworked and used again
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rustling
1. the stealing of cattle
2. a light noise, like the noise of silk clothing or leaves blowing in the wind
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restorer
1. a skilled worker who is employed to restore or refinish buildings or antique furniture
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reevaluateMore Definitions →
razorback
1. a mongrel hog with a thin body and long legs and a ridged back; a wild or semi-wild descendant of improved breeds; found chiefly in the southeastern United States
2. any of several baleen whales of the family Balaenopteridae having longitudinal grooves on the throat and a small pointed dorsal fin
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rummage
1. a jumble of things to be given away
2. a thorough search for something (often causing disorder or confusion)
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rifleman
1. someone skilled in the use of a rifle
2. a soldier whose weapon is a rifle
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rainmaker
1. executive who is very successful in bringing in business to his company or firm
2. American Indian medicine man who attempt to make it rain
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reevaluation
1. the evaluation of something a second time (or more)
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revulsion
1. intense aversion
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ryegrass
1. any of several annual or perennial Eurasian grasses
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refit
1. outfitting a ship again (by repairing or replacing parts)
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reconveneMore Definitions →
reciprocateMore Definitions →
refinishMore Definitions →
rube
1. a person who is not very intelligent or interested in culture
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rediscovery
1. the act of discovering again
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rigger
1. someone who rigs ships
2. a long slender pointed sable brush used by artists
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retrovirus
1. any of a group of viruses that contain two single-strand linear RNA molecules per virion and reverse transcriptase (RNA to DNA); the virus transcribes its RNA into a cDNA provirus that is then incorporated into the host cell
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raunch
1. the quality of lacking taste and refinement
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recto
1. right-hand page
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ramjet
1. a simple type of jet engine; must be launched at high speed
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recalcitrantMore Definitions →
refereeing
1. the act of umpiring
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riffle
1. a small wave on the surface of a liquid
2. shuffling by splitting the pack and interweaving the two halves at their corners
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readjustment
1. the act of adjusting again (to changed circumstances)
2. the act of adjusting something to match a standard
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reminiscence
1. a mental impression retained and recalled from the past
2. the process of remembering (especially the process of recovering information by mental effort)
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razzle
1. any exciting and complex play intended to confuse (dazzle) the opponent
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reactant
1. a chemical substance that is present at the start of a chemical reaction
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racehorse
1. a horse bred for racing
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raiment
1. especially fine or decorative clothing
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ricin
1. a toxic protein extracted from castor beans; used as a chemical reagent; can be used as a bioweapon
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reheatMore Definitions →
resurfaceMore Definitions →
rima
1. a narrow elongated opening or fissure between two symmetrical parts
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ruthenium
1. a rare polyvalent metallic element of the platinum group; it is found associated with platinum
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rundle
1. one of the crosspieces that form the steps of a ladder
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rustle
1. a light noise, like the noise of silk clothing or leaves blowing in the wind
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reservist
1. a member of a military reserve
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rubel
1. the basic unit of money in Belarus
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retinitis
1. inflammation of the retina
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ringmaster
1. the person in charge of performances in a circus ring
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redeye
1. a night flight from which the passengers emerge with eyes red from lack of sleep
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reek
1. a distinctive odor that is offensively unpleasant
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rhodopsin
1. a red photopigment in the retinal rods of vertebrates; dissociates into retinene by light
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religiosity
1. exaggerated or affected piety and religious zeal
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reallocateMore Definitions →
reenactment
1. performing a role in an event that occurred at an earlier time
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runabout
1. an open automobile having a front seat and a rumble seat
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rapeseed
1. seed of rape plants; source of an edible oil
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reassembleMore Definitions →
rasp
1. uttering in an irritated tone
2. a coarse file with sharp pointed projections
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rollickingMore Definitions →
reverberation
1. the repetition of a sound resulting from reflection of the sound waves
2. a remote or indirect consequence of some action
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reintroduceMore Definitions →
repairman
1. a skilled worker whose job is to repair things
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resourcefulness
1. the quality of being able to cope with a difficult situation
2. the ability to deal resourcefully with unusual problems
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redwing
1. North American blackbird with scarlet patches on the wings
2. small European thrush having reddish flanks
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redevelopMore Definitions →
rickets
1. childhood disease caused by deficiency of vitamin D and sunlight associated with impaired metabolism of calcium and phosphorus
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retrenchment
1. entrenchment consisting of an additional interior fortification to prolong the defense
2. the reduction of expenditures in order to become financially stable
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relapsing
1. a failure to maintain a higher state
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recklessness
1. the trait of giving little thought to danger
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rooibos
1. South African shrub having flat acuminate leaves and yellow flowers; leaves are aromatic when dried and used to make an herbal tea
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reappraisal
1. a new appraisal or evaluation
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receptivity
1. willingness or readiness to receive (especially impressions or ideas)
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reorientation
1. a fresh orientation; a changed set of attitudes and beliefs
2. the act of changing the direction in which something is oriented
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raffia
1. leaf fibers of the raffia palm tree; used to make baskets and mats etc.
2. fiber of a raffia palm used as light cordage and in making hats and baskets
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randomizeMore Definitions →
rudiments
1. a statement of fundamental facts or principles
2. the elementary stages of any subject (usually plural)
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riptide
1. a stretch of turbulent water in a river or the sea caused by one current flowing into or across another current
2. a strong surface current flowing outwards from a shore
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rajah
1. a prince or king in India
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retrial
1. a new trial in which issues already litigated and to which the court has already rendered a verdict or decision are reexamined by the same court; occurs when the initial trial is found to have been improper or unfair due to procedural errors
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raindrop
1. a drop of rain
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roomie
1. an associate who shares a room with you
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revisionism
1. any dangerous departure from the teachings of Marx
2. a moderate evolutionary form of Marxism
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renegotiateMore Definitions →
republicanism
1. the political orientation of those who hold that a republic is the best form of government
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reliving
1. a recurrence of a prior experience
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remediateMore Definitions →
reamer
1. a squeezer with a conical ridged center that is used for squeezing juice from citrus fruit
2. a drill that is used to shape or enlarge holes
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readying
1. the activity of putting or setting in order in advance of some act or purpose
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reales
1. any rational or irrational number
2. the basic unit of money in Brazil; equal to 100 centavos
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ribbing
1. a framework of ribs
2. the act of harassing someone playfully or maliciously (especially by ridicule); provoking someone with persistent annoyances
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recuperation
1. gradual healing (through rest) after sickness or injury
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reaffirmation
1. renewed affirmation
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rationalist
1. someone who emphasizes observable facts and excludes metaphysical speculation about origins or ultimate causes
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relaxer
1. any agent that produces relaxation
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radiograph
1. a photographic image produced on a radiosensitive surface by radiation other than visible light (especially by X-rays or gamma rays)
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rainstorm
1. a storm with rain
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ravage
1. (usually plural) a destructive action
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radioisotope
1. a radioactive isotope of an element; produced either naturally or artificially
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redbird
1. the male is bright red with black wings and tail
2. crested thick-billed North American finch having bright red plumage in the male
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retentiveMore Definitions →
rewriter
1. someone who puts text into appropriate form for publication
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reconstituteMore Definitions →
repudiateMore Definitions →
relinquishing
1. a verbal act of renouncing a claim or right or position etc.
2. the act of giving up and abandoning a struggle or task etc.
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rickettsia
1. any of a group of very small rod-shaped bacteria that live in biting arthropods (as ticks and mites) and cause disease in vertebrate hosts; they cause typhus and other febrile diseases in human beings
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railcar
1. a wheeled vehicle adapted to the rails of railroad
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rollerblading
1. skating using Rollerblades
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rookery
1. a breeding ground for gregarious birds (such as rooks)
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rejoinder
1. a quick reply to a question or remark (especially a witty or critical one)
2. (law) a pleading made by a defendant in response to the plaintiff's replication
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reexamineMore Definitions →
relinquishment
1. a verbal act of renouncing a claim or right or position etc.
2. the act of giving up and abandoning a struggle or task etc.
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revelry
1. unrestrained merrymaking
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reinterpretation
1. a new or different meaning
2. a new or different interpretation
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reasoner
1. someone who reasons logically
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repulse
1. an instance of driving away or warding off
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recoding
1. converting from one code to another
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recuperateMore Definitions →
railroader
1. an employee of a railroad
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rattler
1. pit viper with horny segments at the end of the tail that rattle when shaken
2. a railroad train consisting of freight cars
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refocusing
1. focusing again
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ramrod
1. a rod used to ram the charge into a muzzle-loading firearm
2. a harshly demanding overseer
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retouchMore Definitions →
rusher
1. (football) a ball carrier who tries to gain ground by running with the ball
2. someone who migrates as part of a rush to a new gold field or a new territory
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resuscitateMore Definitions →
repartee
1. adroitness and cleverness in reply
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rapprochement
1. the reestablishing of cordial relations
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reentrantMore Definitions →
realpolitik
1. politics based on practical rather than moral or ideological considerations
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reversibility
1. the quality of being reversible in either direction
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recalculation
1. the act of calculating again (usually to eliminate errors or to include additional data)
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rappel
1. (mountaineering) a descent of a vertical cliff or wall made by using a doubled rope that is fixed to a higher point and wrapped around the body
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restaurateur
1. the proprietor of a restaurant
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raper
1. someone who forces another to have sexual intercourse
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reappearance
1. the event of something appearing again
2. the act of someone appearing again
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republishing
1. the act of publishing again
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rubidium
1. a soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite
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rearward
1. direction toward the rear
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rhombus
1. a parallelogram with four equal sides; an oblique-angled equilateral parallelogram
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refectory
1. a communal dining-hall (usually in a monastery)
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rumpus
1. the act of making a noisy disturbance
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royalist
1. an advocate of the principles of monarchy
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roofer
1. a craftsman who lays or repairs roofs
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radiotelephone
1. telephony that uses transmission by radio rather than by wire
2. a telephone that communicates by radio waves rather than along cables
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roamer
1. someone who leads a wandering unsettled life
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reclassifyMore Definitions →
reinvigorateMore Definitions →
rightness
1. according with conscience or morality
2. appropriate conduct; doing the right thing
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reticule
1. a woman's drawstring handbag; usually made of net or beading or brocade; used in 18th and 19th centuries
2. a network of fine lines, dots, cross hairs, or wires in the focal plane of the eyepiece of an optical instrument
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relishing
1. taking a small amount into the mouth to test its quality
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ripeness
1. the state of being ripe
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ruttingMore Definitions →
reticence
1. the trait of being uncommunicative; not volunteering anything more than necessary
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rondeau
1. a musical form that is often the last movement of a sonata
2. a French verse form of 10 or 13 lines running on two rhymes; the opening phrase is repeated as the refrain of the second and third stanzas
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redetermination
1. determining again
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redderMore Definitions →
ringleader
1. a person who leads (especially in illicit activities)
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reflexivity
1. the coreferential relation between a reflexive pronoun and its antecedent
2. (logic and mathematics) a relation such that it holds between an element and itself
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reductionism
1. a theory that all complex systems can be completely understood in terms of their components
2. the analysis of complex things into simpler constituents
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rammer
1. a tool for driving something with force
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rationaliseMore Definitions →
reflexion
1. the phenomenon of a propagating wave (light or sound) being thrown back from a surface
2. expression without words
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reconfirmMore Definitions →
rectus
1. any of various straight muscles
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revitaliseMore Definitions →
retractor
1. surgical instrument that holds back the edges of a surgical incision
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ruffian
1. a cruel and brutal fellow
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ruggedness
1. the property of being big and strong
2. the quality of being topologically uneven
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reification
1. regarding something abstract as a material thing
2. representing a human being as a physical thing deprived of personal qualities or individuality
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rootstock
1. a horizontal plant stem with shoots above and roots below serving as a reproductive structure
2. root or part of a root used for plant propagation; especially that part of a grafted plant that supplies the roots
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rutile
1. a mineral consisting of titanium dioxide in crystalline form; occurs in metamorphic and plutonic rocks and is a major source of titanium
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rhabdomyosarcoma
1. a highly malignant neoplasm derived from striated muscle
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rappellingMore Definitions →
rozelle
1. East Indian sparsely prickly annual herb or perennial subshrub widely cultivated for its fleshy calyxes used in tarts and jelly and for its bast fiber
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redbone
1. a speedy red or red-and-tan American hound
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relict
1. an organism or species surviving as a remnant of an otherwise extinct flora or fauna in an environment much changed from that in which it originated
2. geological feature that is a remnant of a pre-existing formation after other parts have disappeared
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ramie
1. tall perennial herb of tropical Asia with dark green leaves; cultivated for the fiber from its woody stems that resembles flax
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repatriate
1. a person who has returned to the country of origin or whose citizenship has been restored
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rancor
1. a feeling of deep and bitter anger and ill-will
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rightist
1. a member of a right wing political party
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reductionistMore Definitions →
repentantMore Definitions →
recency
1. a time immediately before the present
2. the property of having happened or appeared not long ago
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