Words Ending With IN

Here's the list of all the 1523 Words Ending With IN 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 Words (with Definitions and Examples)
in
1. a unit of length equal to one twelfth of a foot
2. holding office
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within
1. on the inside
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main
1. any very large body of (salt) water
2. a principal pipe in a system that distributes water or gas or electricity or that collects sewage
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join
1. become part of; become a member of a group or organization
2. cause to become joined or linked
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again
1. anew
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domain
1. a particular environment or walk of life
2. territory over which rule or control is exercised
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certain
1. having or feeling no doubt or uncertainty; confident and assured
2. established beyond doubt or question; definitely known
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win
1. be the winner in a contest or competition; be victorious
2. win something through one's efforts
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bin
1. store in bins
2. a container; usually has a lid
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skin
1. a natural protective body covering and site of the sense of touch
2. an outer surface (usually thin)
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mountain
1. a land mass that projects well above its surroundings; higher than a hill
2. (often followed by `of') a large number or amount or extent
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protein
1. any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes
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martin
1. any of various swallows with squarish or slightly forked tail and long pointed wings; migrate around Martinmas
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begin
1. take the first step or steps in carrying out an action
2. have a beginning, in a temporal, spatial, or evaluative sense
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pain
1. a symptom of some physical hurt or disorder
2. emotional distress; a fundamental feeling that people try to avoid
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chain
1. connect or arrange into a chain by linking
2. fasten or secure with chains
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brain
1. that part of the central nervous system that includes all the higher nervous centers; enclosed within the skull; continuous with the spinal cord
2. mental ability
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maintain
1. cause to continue in a certain state, position, or activity
2. keep in safety and protect from harm, decay, loss, or destruction
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gain
1. obtain
2. win something through one's efforts
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train
1. create by training and teaching
2. undergo training or instruction in preparation for a particular role, function, or profession
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origin
1. the place where something begins, where it springs into being
2. properties attributable to your ancestry
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obtain
1. come into possession of
2. receive a specified treatment (abstract)
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remain
1. stay the same; remain in a certain state
2. continue in a place, position, or situation
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contain
1. include or contain; have as a component
2. contain or hold; have within
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rain
1. precipitate as rain
2. water falling in drops from vapor condensed in the atmosphere
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pin
1. to hold fast or prevent from moving
2. attach or fasten with pins
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explain
1. make plain and comprehensible
2. define
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virgin
1. a person who has never had sex
2. being used or worked for the first time
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plain
1. extensive tract of level open land
2. a basic knitting stitch made by putting the needle through the front of the stitch from the lefthand side
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bulletin
1. a brief report (especially an official statement issued for immediate publication or broadcast)
2. make public by bulletin
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twin
1. duplicate or match
2. bring two objects, ideas, or people together
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bargain
1. an agreement between parties (usually arrived at after discussion) fixing obligations of each
2. an advantageous purchase
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sin
1. estrangement from god
2. an act that is regarded by theologians as a transgression of God's will
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berlin
1. a limousine with a glass partition between the front and back seats
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captain
1. be the captain of a sports team
2. an officer holding a rank below a major but above a lieutenant
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franklin
1. a landowner (14th and 15th centuries) who was free but not of noble birth
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thin
1. lose thickness; become thin or thinner
2. make thin or thinner
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vitamin
1. any of a group of organic substances essential in small quantities to normal metabolism
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spin
1. revolve quickly and repeatedly around one's own axis
2. stream in jets, of liquids
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herein
1. in this place or thing or document
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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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tin
1. plate with tin
2. preserve in a can or tin
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basin
1. a bowl-shaped vessel; usually used for holding food or liquids
2. the quantity that a basin will hold
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grain
1. a relatively small granular particle of a substance
2. foodstuff prepared from the starchy grains of cereal grasses
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margin
1. the boundary line or the area immediately inside the boundary
2. an amount beyond the minimum necessary
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coin
1. a flat metal piece (usually a disc) used as money
2. make up
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benjamin
1. gum resin used especially in treating skin irritation
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strain
1. to exert much effort or energy
2. test the limits of
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retain
1. hold back within
2. allow to remain in a place or position or maintain a property or feature
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porcelain
1. ceramic ware made of a more or less translucent ceramic
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cabin
1. confine to a small space, such as a cabin
2. small room on a ship or boat where people sleep
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fountain
1. a structure from which an artificially produced jet of water arises
2. a natural flow of ground water
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satin
1. a smooth fabric of silk or rayon; has a glossy face and a dull back
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drain
1. flow off gradually
2. deplete of resources
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insulin
1. hormone secreted by the isles of Langerhans in the pancreas; regulates storage of glycogen in the liver and accelerates oxidation of sugar in cells
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fin
1. equip (a car) with fins
2. propel oneself through the water in a finning motion
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penguin
1. short-legged flightless birds of cold southern especially Antarctic regions having webbed feet and wings modified as flippers
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terrain
1. a piece of ground having specific characteristics or military potential
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griffin
1. winged monster with the head of an eagle and the body of a lion
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violin
1. bowed stringed instrument that is the highest member of the violin family; this instrument has four strings and a hollow body and an unfretted fingerboard and is played with a bow
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din
1. a loud harsh or strident noise
2. the act of making a noisy disturbance
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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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curtain
1. hanging cloth used as a blind (especially for a window)
2. any barrier to communication or vision
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therein
1. (formal) in or into that thing or place
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complain
1. express complaints, discontent, displeasure, or unhappiness
2. make a formal accusation; bring a formal charge
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dolphin
1. large slender food and game fish widely distributed in warm seas (especially around Hawaii)
2. any of various small toothed whales with a beaklike snout; larger than porpoises
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twain
1. two items of the same kind
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cousin
1. the child of your aunt or uncle
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sustain
1. lengthen or extend in duration or space
2. undergo (as of injuries and illnesses)
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chin
1. raise oneself while hanging from one's hands until one's chin is level with the support bar
2. the protruding part of the lower jaw
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uncertain
1. lacking or indicating lack of confidence or assurance
2. not established beyond doubt; still undecided or unknown
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stein
1. a mug intended for serving beer
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stain
1. a soiled or discolored appearance
2. (microscopy) a dye or other coloring material that is used in microscopy to make structures visible
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pumpkin
1. a coarse vine widely cultivated for its large pulpy round orange fruit with firm orange skin and numerous seeds; subspecies of Cucurbita pepo include the summer squashes and a few autumn squashes
2. usually large pulpy deep-yellow round fruit of the squash family maturing in late summer or early autumn
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zeppelin
1. a large rigid dirigible designed to carry passengers or bombs
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vein
1. a blood vessel that carries blood from the capillaries toward the heart
2. a distinctive style or manner
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entertain
1. provide entertainment for
2. take into consideration, have in view
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ruin
1. an irrecoverable state of devastation and destruction
2. a ruined building
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attain
1. to gain with effort
2. reach a point in time, or a certain state or level
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mandarin
1. shrub or small tree having flattened globose fruit with very sweet aromatic pulp and thin yellow-orange to flame-orange rind that is loose and easily removed; native to southeastern Asia
2. a member of an elite intellectual or cultural group
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heroin
1. a narcotic that is considered a hard drug; a highly addictive morphine derivative; intravenous injection provides the fastest and most intense rush
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vain
1. characteristic of false pride; having an exaggerated sense of self-importance
2. unproductive of success
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merlin
1. small falcon of Europe and America having dark plumage with black-barred tail; used in falconry
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kin
1. a person having kinship with another or others
2. group of people related by blood or marriage
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aspirin
1. the acetylated derivative of salicylic acid; used as an analgesic anti-inflammatory drug (trade names Bayer, Empirin, and St. Joseph) usually taken in tablet form; used as an antipyretic; slows clotting of the blood by poisoning platelets
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shin
1. the front part of the human leg between the knee and the ankle
2. a cut of meat from the lower part of the leg
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grin
1. to draw back the lips and reveal the teeth, in a smile, grimace, or snarl
2. a facial expression characterized by turning up the corners of the mouth; usually shows pleasure or amusement
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refrain
1. resist doing something
2. choose not to consume
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gin
1. strong liquor flavored with juniper berries
2. a trap for birds or small mammals; often has a slip noose
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marlin
1. large long-jawed oceanic sport fishes; related to sailfishes and spearfishes; not completely cold-blooded i.e. able to warm their brains and eyes
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yin
1. the dark negative feminine principle in Chinese dualistic cosmology
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akin
1. similar in quality or character
2. related by blood
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regain
1. get or find back; recover the use of
2. come upon after searching; find the location of something that was missed or lost
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coffin
1. place into a coffin
2. box in which a corpse is buried or cremated
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ascertain
1. establish after a calculation, investigation, experiment, survey, or study
2. be careful or certain to do something; make certain of something
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toxin
1. a poisonous substance produced during the metabolism and growth of certain microorganisms and some higher plant and animal species
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chamberlain
1. the treasurer of a municipal corporation
2. an officer who manages the household of a king or nobleman
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assassin
1. a murderer (especially one who kills a prominent political figure) who kills by a surprise attack and often is hired to do the deed
2. a member of a secret order of Muslims (founded in the 12th century) who terrorized and killed Christian Crusaders
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actin
1. one of the proteins into which actomyosin can be split; can exist in either a globular or a fibrous form
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serotonin
1. a neurotransmitter involved in e.g. sleep and depression and memory
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villain
1. a wicked or evil person; someone who does evil deliberately
2. the principal bad character in a film or work of fiction
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slain
1. kill intentionally and with premeditation
2. to succeed greatly
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mandolin
1. a stringed instrument related to the lute, usually played with a plectrum
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chaplain
1. a clergyman ministering to some institution
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immunoglobulin
1. a class of proteins produced in lymph tissue in vertebrates and that function as antibodies in the immune response
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hin
1. ancient Hebrew unit of liquid measure = 1.5 gallons
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kelvin
1. the basic unit of thermodynamic temperature adopted under the Systeme International d'Unites
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paladin
1. someone who fights for a cause
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interleukin
1. any of several lymphokines that promote macrophages and killer T cells and B cells and other components of the immune system
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moulin
1. a chute through which supraglacial water enters a glacier, boring either to the bedrock or to the depth of common crevasse formation
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ain
1. belonging to or on behalf of a specified person (especially yourself); preceded by a possessive
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muffin
1. a sweet quick bread baked in a cup-shaped pan
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goblin
1. (folklore) a small grotesque supernatural creature that makes trouble for human beings
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harlequin
1. a clown or buffoon (after the Harlequin character in the commedia dell'arte)
2. variegate with spots or marks
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gelatin
1. a colorless water-soluble glutinous protein obtained from animal tissues such as bone and skin
2. an edible jelly (sweet or pungent) made with gelatin and used as a dessert or salad base or a coating for foods
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amoxicillin
1. an antibiotic; a semisynthetic oral penicillin (trade names Amoxil and Larotid and Polymox and Trimox and Augmentin) used to treat bacterial infections
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napkin
1. a small piece of table linen that is used to wipe the mouth and to cover the lap in order to protect clothing
2. garment consisting of a folded cloth drawn up between the legs and fastened at the waist; worn by infants to catch excrement
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rein
1. control and direct with or as if by reins
2. stop or slow up one's horse or oneself by or as if by pulling the reins
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pertain
1. be relevant to
2. be a part or attribute of
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floodplain
1. a low plain adjacent to a river that is formed chiefly of river sediment and is subject to flooding
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hemoglobin
1. a hemoprotein composed of globin and heme that gives red blood cells their characteristic color; function primarily to transport oxygen from the lungs to the body tissues
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penicillin
1. any of various antibiotics obtained from Penicillium molds (or produced synthetically) and used in the treatment of various infections and diseases
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cochin
1. Asian breed of large fowl with dense plumage and feathered legs
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abstain
1. refrain from voting
2. choose not to consume
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albumin
1. a simple water-soluble protein found in many animal tissues and liquids
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heparin
1. a polysaccharide produced in basophils (especially in the lung and liver) and that inhibits the activity of thrombin in coagulation of the blood; it (trade names Lipo-Hepin and Liquaemin) is used as an anticoagulant in the treatment of thrombosis and in heart surgery
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chromatin
1. the readily stainable substance of a cell nucleus consisting of DNA and RNA and various proteins; during mitotic division it condenses into chromosomes
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glycoprotein
1. a conjugated protein having a carbohydrate component
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restrain
1. to close within bounds, or otherwise limit or deprive of free movement
2. restrict (someone or something) so as to make free movement difficult
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angiotensin
1. any of several vasoconstrictor substances (trade name Hypertensin) that cause narrowing of blood vessels
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groin
1. the crease at the junction of the inner part of the thigh with the trunk together with the adjacent region and often including the external genitals
2. a curved edge formed by two intersecting vaults
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swain
1. a man who is the lover of a man or woman
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lain
1. be located or situated somewhere; occupy a certain position
2. be lying, be prostrate; be in a horizontal position
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sequin
1. adornment consisting of a small piece of shiny material used to decorate clothing
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sheepskin
1. tanned skin of a sheep with the fleece left on; used for clothing
2. skin of a sheep or goat prepared for writing on
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melatonin
1. hormone secreted by the pineal gland
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biotin
1. a B vitamin that aids in body growth
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lipoprotein
1. a conjugated protein having a lipid component; the principal means for transporting lipids in the blood
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foreskin
1. a fold of skin covering the tip of the clitoris
2. a fold of skin covering the tip of the penis
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constrain
1. compel to behave in a certain way
2. to close within bounds, or otherwise limit or deprive of free movement
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dioxin
1. any of several toxic or carcinogenic hydrocarbons that occur as impurities in herbicides
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raisin
1. dried grape
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kremlin
1. citadel of a Russian town
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dauphin
1. formerly, the eldest son of the King of France and direct heir to the throne
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paraffin
1. from crude petroleum; used for candles and for preservative or waterproof coatings
2. a series of non-aromatic saturated hydrocarbons with the general formula CnH(2n+2)
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tenderloin
1. a city district known for its vice and high crime rate
2. the tender meat of the loin muscle on each side of the vertebral column
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niacin
1. a B vitamin essential for the normal function of the nervous system and the gastrointestinal tract
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cumin
1. dwarf Mediterranean annual long cultivated for its aromatic seeds
2. aromatic seeds of the cumin herb of the carrot family
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florin
1. the basic unit of money in Suriname; equal to 100 cents
2. formerly the basic unit of money in the Netherlands; equal to 100 cents
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javelin
1. an athletic competition in which a javelin is thrown as far as possible
2. a spear thrown as a weapon or in competitive field events
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metformin
1. an antidiabetic drug (trade name Glucophage) prescribed to treat type II diabetes
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disdain
1. lack of respect accompanied by a feeling of intense dislike
2. a communication that indicates lack of respect by patronizing the recipient
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loin
1. a cut of meat taken from the side and back of an animal between the ribs and the rump
2. either side of the backbone between the hipbone and the ribs in humans as well as quadrupeds
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lupin
1. any plant of the genus Lupinus; bearing erect spikes of usually purplish-blue flowers
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myosin
1. the commonest protein in muscle; a globulin that combines with actin to form actomyosin
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warfarin
1. an anticoagulant (trade name Coumadin) use to prevent and treat a thrombus or embolus
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puffin
1. any of two genera of northern seabirds having short necks and brightly colored compressed bills
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underpin
1. support from beneath
2. support with evidence or authority or make more certain or confirm
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detain
1. deprive of freedom; take into confinement
2. stop or halt
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urchin
1. poor and often mischievous city child
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trypsin
1. an enzyme of pancreatic origin; catalyzes the hydrolysis of proteins to smaller polypeptide units
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prostaglandin
1. a potent substance that acts like a hormone and is found in many bodily tissues (and especially in semen); produced in response to trauma and may affect blood pressure and metabolism and smooth muscle activity
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bruin
1. a conventional name for a bear used in tales following usage in the old epic `Reynard the Fox'
2. large ferocious bear of Eurasia
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erythromycin
1. an antibiotic (trade name Erythrocin or E-Mycin or Ethril or Ilosone or Pediamycin) obtained from the actinomycete Streptomyces erythreus; effective against many Gram-positive bacteria and some Gram-negative
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ciprofloxacin
1. an oral antibiotic (trade name Cipro) used against serious bacterial infections of the skin or respiratory tract or urinary tract or bones or joints
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chieftain
1. the leader of a group of people
2. the head of a tribe or clan
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casein
1. a milk protein used in making e.g. plastics and adhesives
2. a water-base paint made with a protein precipitated from milk
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lecithin
1. a yellow phospholipid essential for the metabolism of fats; found in egg yolk and in many plant and animal cells; used commercially as an emulsifier
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glycerin
1. a sweet syrupy trihydroxy alcohol obtained by saponification of fats and oils
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kingpin
1. the most important person in a group or undertaking
2. bolt that provides a steering joint in a motor vehicle
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prolactin
1. gonadotropic hormone secreted by the anterior pituitary; in females it stimulates growth of the mammary glands and lactation after parturition
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tiffin
1. a midday meal
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chagrin
1. cause to feel shame; hurt the pride of
2. strong feelings of embarrassment
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mannequin
1. a woman who wears clothes to display fashions
2. a life-size dummy used to display clothes
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takin
1. large heavily built goat antelope of eastern Himalayan area
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sabin
1. a unit of acoustic absorption equivalent to the absorption by a square foot of a surface that absorbs all incident sound
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fain
1. having made preparations
2. with pleasure
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thrombin
1. an enzyme that acts on fibrinogen in blood causing it to clot
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bobbin
1. a winder around which thread or tape or film or other flexible materials can be wound
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myelin
1. a white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers
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riboflavin
1. a B vitamin that prevents skin lesions and weight loss
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multivitamin
1. a pill or tablet containing several vitamins
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globulin
1. a family of proteins found in blood and milk and muscle and in plant seed
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vermin
1. an irritating or obnoxious person
2. any of various small animals or insects that are pests; e.g. cockroaches or rats
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muslin
1. plain-woven cotton fabric
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sirloin
1. the portion of the loin (especially of beef) just in front of the rump
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rejoin
1. join again
2. answer back
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doxorubicin
1. an antibiotic used as an anticancer drug
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ampicillin
1. semisynthetic penicillin (trade names Principen and Polycillin and SK-Ampicillin)
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quin
1. one of five children born at the same time from the same pregnancy
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digoxin
1. digitalis preparation (trade name Lanoxin) used to treat congestive heart failure or cardiac arrhythmia; helps the heart beat more forcefully
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hairpin
1. a double pronged pin used to hold women's hair in place
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bilirubin
1. an orange-yellow pigment in the bile that forms as a product of hemoglobin; excess amounts in the blood produce the yellow appearance observed in jaundice
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cephalexin
1. a cephalosporin antibiotic (trade names Keflex and Keflin and Keftab) commonly prescribed for mild to moderately severe infections of the skin or ears or throat or lungs or urinary tract
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savin
1. procumbent or spreading juniper
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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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gremlin
1. (folklore) fairies that are somewhat mischievous
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endotoxin
1. a toxin that is confined inside the microorganisms and is released only when the microorganisms are broken down or die
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statin
1. a medicine that lowers blood cholesterol levels by inhibiting HMG-CoA reductase
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moccasin
1. soft leather shoe; originally worn by Native Americans
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indomethacin
1. a nonsteroidal anti-inflammatory drug (trade name Indocin)
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lutein
1. yellow carotenoid pigments in plants and animal fats and egg yolks
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lectin
1. any of several plant glycoproteins that act like specific antibodies but are not antibodies in that they are not evoked by an antigenic stimulus
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phenytoin
1. an anticonvulsant drug (trade name Dilantin) used to treat epilepsy and that is not a sedative
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lignin
1. a complex polymer; the chief constituent of wood other than carbohydrates; binds to cellulose fibers to harden and strengthen cell walls of plants
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gonadotropin
1. hormone secreted by the anterior pituitary gland and placenta; stimulates the gonads and controls reproductive activity
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sarin
1. a highly toxic chemical nerve agent that inhibits the activity of cholinesterase
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nitroglycerin
1. a heavy yellow poisonous oily explosive liquid obtained by nitrating glycerol; used in making explosives and medically as a vasodilator (trade names Nitrospan and Nitrostat)
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vancomycin
1. an antibiotic (trade name Vancocin) effective against some bacterial infections
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pectin
1. any of various water-soluble colloidal carbohydrates that occur in ripe fruit and vegetables; used in making fruit jellies and jams
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rosin
1. rub rosin onto
2. 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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oxytocin
1. hormone secreted by the posterior pituitary gland (trade name Pitocin); stimulates contractions of the uterus and ejection of milk
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poplin
1. a ribbed fabric used in clothing and upholstery
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buckskin
1. horse of a light yellowish dun color with dark mane and tail
2. a soft yellowish suede leather originally from deerskin but now usually from sheepskin
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fluorescein
1. a yellow dye that is visible even when highly diluted; used as an absorption indicator when silver nitrate solution is added to sodium chloride in order to precipitate silver chloride (turns pink when no chloride ions are left in solution and negative fluorescein ions are then absorbed)
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keratin
1. a fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair, feathers, nails, and hooves
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terrapin
1. any of various edible North American web-footed turtles living in fresh or brackish water
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plantain
1. any of numerous plants of the genus Plantago; mostly small roadside or dooryard weeds with elliptic leaves and small spikes of very small flowers; seeds of some used medicinally
2. a banana tree bearing hanging clusters of edible angular greenish starchy fruits; tropics and subtropics
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sprain
1. a painful injury to a joint caused by a sudden wrenching of its ligaments
2. twist suddenly so as to sprain
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transferrin
1. a globulin in blood plasma that carries iron
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fibrin
1. a white insoluble fibrous protein formed by the action of thrombin on fibrinogen when blood clots; it forms a network that traps red cells and platelets
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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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globin
1. a colorless protein obtained by removing heme from hemoglobin; the oxygen carrying compound in red blood cells
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formalin
1. a 10% solution of formaldehyde in water; used as a disinfectant or to preserve biological specimens
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erythropoietin
1. a glycoprotein secreted by the kidneys that stimulates the production of red blood cells
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calcitonin
1. thyroid hormone that tends to lower the level of calcium in the blood plasma and inhibit resorption of bone
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lambskin
1. the skin of a lamb with the wool still on
2. skin of a sheep or goat prepared for writing on
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progestin
1. any of a group of steroid hormones that have the effect of progesterone
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ferritin
1. a protein containing 20% iron that is found in the intestines and liver and spleen; it is one of the chief forms in which iron is stored in the body
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thiamin
1. a B vitamin that prevents beriberi; maintains appetite and growth
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enjoin
1. issue an injunction
2. give instructions to or direct somebody to do something with authority
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flavin
1. a ketone that forms the nucleus of certain natural yellow pigments like riboflavin
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pidgin
1. an artificial language used for trade between speakers of different languages
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vasopressin
1. hormone secreted by the posterior pituitary gland (trade name Pitressin) and also by nerve endings in the hypothalamus; affects blood pressure by stimulating capillary muscles and reduces urine flow by affecting reabsorption of water by kidney tubules
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skein
1. coils of worsted yarn
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brahmin
1. a member of a social and cultural elite (especially a descendant of an old New England family)
2. a member of the highest of the four Hindu varnas
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olefin
1. any unsaturated aliphatic hydrocarbon
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gentamicin
1. an antibiotic (trade name Garamycin) that is derived from an actinomycete; used in treating infections of the urinary tract
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rifampin
1. an antibacterial drug (trade names Rifadin and Rimactane) used to treat tuberculosis
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streptomycin
1. an antibiotic produced by the actinomycete Streptomyces griseus and used to treat tuberculosis
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haemoglobin
1. a hemoprotein composed of globin and heme that gives red blood cells their characteristic color; function primarily to transport oxygen from the lungs to the body tissues
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gabapentin
1. an anticonvulsant (trade name Neurontin) used to control some types of seizures in the treatment of epilepsy; also used to manage neuralgia caused by shingles
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melanin
1. insoluble pigments that account for the color of e.g. skin and scales and feathers
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bluefin
1. flesh of very large tuna
2. largest tuna; to 1500 pounds; of mostly temperate seas: feed in polar regions but breed in tropics
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pigskin
1. leather from the skin of swine
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tannin
1. any of various complex phenolic substances of plant origin; used in tanning and in medicine
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blain
1. an inflammatory swelling or sore
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yellowfin
1. may reach 400 pounds; worldwide in tropics
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corticotropin
1. a hormone produced by the anterior pituitary gland that stimulates the adrenal cortex
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aflatoxin
1. a potent carcinogen from the fungus Aspergillus; can be produced and stored for use as a bioweapon
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kaolin
1. a fine usually white clay formed by the weathering of aluminous minerals (as feldspar); used in ceramics and as an absorbent and as a filler (e.g., in paper)
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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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neomycin
1. an antibiotic obtained from an actinomycete and used (as a sulphate under the trade name Neobiotic) as an intestinal antiseptic in surgery
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capsaicin
1. colorless pungent crystalline compound derived from capsicum; source of the hotness of hot peppers of the genus Capsicum such as chili and cayenne and jalapeno
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rhodopsin
1. a red photopigment in the retinal rods of vertebrates; dissociates into retinene by light
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ordain
1. order by virtue of superior authority; decree
2. appoint to a clerical posts
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theremin
1. an electronic musical instrument; melodies can be played by moving the right hand between two rods that serve as antennas to control pitch; the left hand controls phrasing
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elfin
1. relating to or made or done by or as if by an elf
2. suggestive of an elf in strangeness and otherworldliness
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noggin
1. informal terms for a human head
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methicillin
1. antibiotic drug of the penicillin family used in the treatment of certain staphylococcal infections
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lapin
1. the fur of a rabbit
2. castrated male rabbit
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dustbin
1. a bin that holds rubbish until it is collected
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prothrombin
1. a protein in blood plasma that is the inactive precursor of thrombin
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tuberculin
1. a sterile liquid containing a purified protein derivative of the tuberculosis bacterium; used in the diagnosis of tuberculosis
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auxin
1. a plant hormone that promotes root formation and bud growth
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endorphin
1. a neurochemical occurring naturally in the brain and having analgesic properties
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forebrain
1. the anterior portion of the brain; the part of the brain that develops from the anterior part of the neural tube
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grosgrain
1. a silk or silklike fabric with crosswise ribs
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dentin
1. a calcareous material harder and denser than bone that comprises the bulk of a tooth
2. bone (calcified tissue) surrounding the pulp cavity of a tooth
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gaskin
1. lower part of a horse's thigh between the hock and the stifle
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lanolin
1. a yellow viscous animal oil extracted from wool; a mixture of fatty acids and esters; used in some ointments and cosmetics
2. an emollient containing wool fat (a fatty substance obtained from the wool of sheep)
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chitin
1. a tough semitransparent horny substance; the principal component of the exoskeletons of arthropods and the cell walls of certain fungi
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thyrotropin
1. anterior pituitary hormone that stimulates the function of the thyroid gland
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calfskin
1. fine leather from the skin of a calf
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dobbin
1. a quiet plodding workhorse
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lovastatin
1. an oral drug (trade name Mevacor) to reduce blood cholesterol levels; used when dietary changes have proved inadequate
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gamin
1. (sometimes offensive) a homeless boy who has been abandoned and roams the streets
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myoglobin
1. a hemoprotein that receives oxygen from hemoglobin and stores it in the tissues until needed
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elastin
1. a fibrous scleroprotein found in elastic tissues such as the walls of arteries
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retrain
1. teach new skills
2. train again
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phosphoprotein
1. containing chemically bound phosphoric acid
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wain
1. large open farm wagon
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woodgrain
1. texture produced by the fibers in wood
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mucin
1. a nitrogenous substance found in mucous secretions; a lubricant that protects body surfaces
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nystatin
1. an antifungal and antibiotic (trade names Mycostatin and Nystan) discovered in New York State; derived from soil fungi actinomycetes
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maudlin
1. effusively or insincerely emotional
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kanamycin
1. antibiotic (trade name Kantrex) used to treat severe infections
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tarpaulin
1. waterproofed canvas
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saccharin
1. a crystalline substance 500 times sweeter than sugar; used as a calorie-free sweetener
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porphyrin
1. any of various pigments distributed widely in living tissues
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washbasin
1. a bathroom sink that is permanently installed and connected to a water supply and drainpipe; where you can wash your hands and face
2. a basin for washing the hands
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gastrin
1. polypeptide hormone secreted by the mucous lining of the stomach; when peptides and amino acids are present in the small intestine the secretion of gastric acid is stimulated
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pepsin
1. an enzyme produced in the stomach that splits proteins into peptones
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deerskin
1. leather from the hide of a deer
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midbrain
1. the middle portion of the brain
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mitomycin
1. a complex of antibiotic substances obtained from a streptomyces bacterium; one form (trade name Mutamycin) shows promise as an anticancer drug
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capuchin
1. a hooded cloak for women
2. monkey of Central America and South America having thick hair on the head that resembles a monk's cowl
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boatswain
1. a petty officer on a merchant ship who controls the work of other seamen
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biggin
1. a child's tight-fitting cap; often ties under the chin
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cholecystokinin
1. a gastrointestinal hormone that stimulates the secretion of pancreatic enzymes and the contraction and emptying of the gall bladder; its release is stimulated by the presence of fatty acids and amino acids in the small intestine
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moleskin
1. a durable cotton fabric with a velvety nap
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papain
1. a proteolytic enzyme obtained from the unripe papaya; used as a meat tenderizer
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hobgoblin
1. (folklore) a small grotesque supernatural creature that makes trouble for human beings
2. an object of dread or apprehension
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