Nouns Containing ATO
Here's the list of all the 2066 Nouns Containing ATO 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) | |
|---|---|
| atom | 1. (physics and chemistry) the smallest component of an element having the chemical properties of the element 2. (nontechnical usage) a tiny piece of anything More Definitions → |
| laboratory | 1. a workplace for the conduct of scientific research 2. a region resembling a laboratory inasmuch as it offers opportunities for observation and practice and experimentation More Definitions → |
| administrator | 1. someone who administers a business 2. the party appointed by a probate court to distribute the estate of someone who dies without a will or without naming an executor More Definitions → |
| operator | 1. (mathematics) a symbol or function representing a mathematical operation 2. an agent that operates some apparatus or machine More Definitions → |
| calculator | 1. an expert at calculation (or at operating calculating machines) 2. a small machine that is used for mathematical calculations; can be mechanical or electronic More Definitions → |
| moderator | 1. any substance used to slow down neutrons in nuclear reactors 2. in the Presbyterian church, the officer who presides over a synod or general assembly More Definitions → |
| coordinator | 1. someone whose task is to see that work goes harmoniously More Definitions → |
| senator | 1. a member of a senate More Definitions → |
| generator | 1. an apparatus that produces a vapor or gas 2. engine that converts mechanical energy into electrical energy by electromagnetic induction More Definitions → |
| creator | 1. a person who grows or makes or invents things More Definitions → |
| indicator | 1. a number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of time 2. a signal for attracting attention More Definitions → |
| locator | 1. a person who fixes the boundaries of land claims More Definitions → |
| mandatory | 1. the recipient of a mandate 2. a territory surrendered by Turkey or Germany after World War I and put under the tutelage of some other European power until they are able to stand by themselves More Definitions → |
| respiratory | More Definitions → |
| anatomy | 1. the branch of morphology that deals with the structure of animals 2. alternative names for the body of a human being More Definitions → |
| investigator | 1. a scientist who devotes himself to doing research 2. someone who investigates More Definitions → |
| potato | 1. an edible tuber native to South America; a staple food of Ireland 2. annual native to South America having underground stolons bearing edible starchy tubers; widely cultivated as a garden vegetable; vines are poisonous More Definitions → |
| tomatoes | 1. mildly acid red or yellow pulpy fruit eaten as a vegetable 2. native to South America; widely cultivated in many varieties More Definitions → |
| refrigerator | 1. white goods in which food can be stored at low temperatures More Definitions → |
| navigator | 1. the ship's officer in charge of navigation 2. the member of an aircrew who is responsible for the aircraft's course More Definitions → |
| tomato | 1. mildly acid red or yellow pulpy fruit eaten as a vegetable 2. native to South America; widely cultivated in many varieties More Definitions → |
| potatoes | 1. an edible tuber native to South America; a staple food of Ireland 2. annual native to South America having underground stolons bearing edible starchy tubers; widely cultivated as a garden vegetable; vines are poisonous More Definitions → |
| translator | 1. a person who translates written messages from one language to another 2. someone who mediates between speakers of different languages More Definitions → |
| 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 More Definitions → |
| equatorial | 1. a telescope whose mounting has only two axes of motion, one parallel to the Earth's axis and the other one at right angles to it More Definitions → |
| simulator | 1. a machine that simulates an environment for the purpose of training or research More Definitions → |
| baton | 1. a thin tapered rod used by a conductor to lead an orchestra or choir 2. a short stout club used primarily by policemen More Definitions → |
| elevator | 1. lifting device consisting of a platform or cage that is raised and lowered mechanically in a vertical shaft in order to move people from one floor to another in a building 2. the airfoil on the tailplane of an aircraft that makes it ascend or descend More Definitions → |
| illustrator | 1. an artist who makes illustrations (for books or magazines or advertisements etc.) More Definitions → |
| observatory | 1. a building designed and equipped to observe astronomical phenomena 2. a structure commanding a wide view of its surroundings More Definitions → |
| accelerator | 1. a pedal that controls the throttle valve 2. a valve that regulates the supply of fuel to the engine More Definitions → |
| predator | 1. someone who attacks in search of booty 2. any animal that lives by preying on other animals More Definitions → |
| educator | 1. someone who educates young people More Definitions → |
| 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 More Definitions → |
| emulator | 1. someone who copies the words or behavior of another More Definitions → |
| chromatography | 1. a process used for separating mixtures by virtue of differences in absorbency More Definitions → |
| spectator | 1. a close observer; someone who looks at something (such as an exhibition of some kind) 2. a woman's pump with medium heel; usually in contrasting colors for toe and heel More Definitions → |
| facilitator | 1. someone who makes progress easier More Definitions → |
| dermatology | 1. the branch of medicine dealing with the skin and its diseases More Definitions → |
| aggregator | 1. a person who collects things More Definitions → |
| communicator | 1. a person who communicates with others More Definitions → |
| terminator | 1. someone who exterminates (especially someone whose occupation is the extermination of troublesome rodents and insects) More Definitions → |
| separator | 1. an apparatus that uses centrifugal force to separate particles from a suspension More Definitions → |
| saskatoon | 1. edible purple or red berries More Definitions → |
| conservatory | 1. the faculty and students of a school specializing in one of the fine arts 2. a schoolhouse with special facilities for fine arts More Definitions → |
| mediator | 1. a negotiator who acts as a link between parties More Definitions → |
| narrator | 1. someone who tells a story More Definitions → |
| originator | 1. someone who creates new things More Definitions → |
| curator | 1. the custodian of a collection (as a museum or library) More Definitions → |
| estimator | 1. an expert at calculation (or at operating calculating machines) More Definitions → |
| gator | 1. either of two amphibious reptiles related to crocodiles but with shorter broader snouts More Definitions → |
| arbitrator | 1. someone chosen to judge and decide a disputed issue More Definitions → |
| integrator | 1. a measuring instrument for measuring the area of an irregular plane figure More Definitions → |
| ambulatory | 1. a covered walkway (as in a cloister) More Definitions → |
| oscillator | 1. generator that produces sonic oscillations or alternating current More Definitions → |
| anatomical | 1. an expression that relates to anatomy More Definitions → |
| alligator | 1. leather made from alligator's hide 2. either of two amphibious reptiles related to crocodiles but with shorter broader snouts More Definitions → |
| dictator | 1. a speaker who dictates to a secretary or a recording machine 2. a ruler who is unconstrained by law More Definitions → |
| gladiator | 1. (ancient Rome) a professional combatant or a captive who entertained the public by engaging in mortal combat 2. a professional boxer More Definitions → |
| incubator | 1. apparatus consisting of a box designed to maintain a constant temperature by the use of a thermostat; used for chicks or premature infants More Definitions → |
| denominator | 1. the divisor of a fraction More Definitions → |
| aviator | 1. someone who operates an aircraft More Definitions → |
| platoon | 1. a military unit that is a subdivision of a company; usually has a headquarters and two or more squads; usually commanded by a lieutenant 2. a team of policemen working under the military platoon system More Definitions → |
| activator | 1. (biology) any agency bringing about activation; a molecule that increases the activity of an enzyme or a protein that increases the production of a gene product in DNA transcription More Definitions → |
| dictatorship | 1. a form of government in which the ruler is an absolute dictator (not restricted by a constitution or laws or opposition etc.) More Definitions → |
| commentator | 1. an expert who observes and comments on something 2. a writer who reports and analyzes events of the day More Definitions → |
| legislator | 1. someone who makes or enacts laws More Definitions → |
| hematology | 1. the branch of medicine that deals with diseases of the blood and blood-forming organs More Definitions → |
| actuator | 1. a mechanism that puts something into automatic action More Definitions → |
| moratorium | 1. a legally authorized postponement before some obligation must be discharged 2. suspension of an ongoing activity More Definitions → |
| equator | 1. an imaginary line around the Earth forming the great circle that is equidistant from the north and south poles 2. a circle dividing a sphere or other surface into two usually equal and symmetrical parts More Definitions → |
| initiator | 1. a person who initiates a course of action More Definitions → |
| evaluator | 1. an authority who is able to estimate worth or quality More Definitions → |
| animator | 1. someone who imparts energy and vitality and spirit to other people 2. the technician who produces animated cartoons More Definitions → |
| eliminator | 1. an agent that eliminates something More Definitions → |
| atoll | 1. an island consisting of a circular coral reef surrounding a lagoon More Definitions → |
| innovator | 1. someone who helps to open up a new line of research or technology or art More Definitions → |
| cinematography | 1. the act of making a film More Definitions → |
| rheumatology | 1. the branch of medicine dealing with the study and treatment of pathologies of the muscles or tendons or joints More Definitions → |
| decorator | 1. a person who specializes in interior decoration 2. someone who decorates More Definitions → |
| alternator | 1. an old term for an electric generator that produces alternating current (especially in automobiles) More Definitions → |
| 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 More Definitions → |
| melatonin | 1. hormone secreted by the pineal gland More Definitions → |
| duplicator | 1. apparatus that makes copies of typed, written or drawn material More Definitions → |
| applicator | 1. a device for applying a substance More Definitions → |
| signatory | 1. someone who signs and is bound by a document More Definitions → |
| lavatory | 1. a room or building equipped with one or more toilets 2. a bathroom sink that is permanently installed and connected to a water supply and drainpipe; where you can wash your hands and face More Definitions → |
| atonement | 1. compensation for a wrong 2. the act of atoning for sin or wrongdoing (especially appeasing a deity) More Definitions → |
| negotiator | 1. someone who negotiates (confers with others in order to reach a settlement) More Definitions → |
| perpetrator | 1. someone who perpetrates wrongdoing More Definitions → |
| cinematographer | 1. a photographer who operates a movie camera More Definitions → |
| ventilator | 1. a device (such as a fan) that introduces fresh air or expels foul air 2. a device that facilitates breathing in cases of respiratory failure More Definitions → |
| automaton | 1. someone who acts or responds in a mechanical or apathetic way 2. a mechanism that can move automatically More Definitions → |
| stratosphere | 1. the atmospheric layer between the troposphere and the mesosphere More Definitions → |
| insulator | 1. a material such as glass or porcelain with negligible electrical or thermal conductivity More Definitions → |
| numerator | 1. the dividend of a fraction More Definitions → |
| purgatory | 1. a temporary condition of torment or suffering 2. (theology) in Roman Catholic theology the place where those who have died in a state of grace undergo limited torment to expiate their sins More Definitions → |
| collaborator | 1. someone who assists in a plot 2. someone who collaborates with an enemy occupying force More Definitions → |
| climatology | 1. meteorology of climates and their phenomena More Definitions → |
| 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 More Definitions → |
| allocator | 1. a person with authority to allot or deal out or apportion More Definitions → |
| nematode | 1. unsegmented worms with elongated rounded body pointed at both ends; mostly free-living but some are parasitic More Definitions → |
| incinerator | 1. a furnace for incinerating (especially to dispose of refuse) More Definitions → |
| accumulator | 1. a person who is employed to collect payments (as for rent or taxes) 2. a voltaic battery that stores electric charge More Definitions → |
| dermatologist | 1. a doctor who specializes in the physiology and pathology of the skin More Definitions → |
| legato | More Definitions → |
| ayatollah | 1. a high-ranking Shiite religious leader who is regarded as an authority on religious law and its interpretation and who has political power as well More Definitions → |
| excavator | 1. a workman who excavates for foundations of buildings or for quarrying 2. a machine for excavating More Definitions → |
| defibrillator | 1. an electronic device that administers an electric shock of preset voltage to the heart through the chest wall in an attempt to restore the normal rhythm of the heart during ventricular fibrillation More Definitions → |
| demonstrator | 1. a teacher or teacher's assistant who demonstrates the principles that are being taught 2. someone who demonstrates an article to a prospective buyer More Definitions → |
| liquidator | 1. a criminal who commits homicide (who performs the unlawful premeditated killing of another human being) 2. (law) a person (usually appointed by a court of law) who liquidates assets or preserves them for the benefit of affected parties More Definitions → |
| manipulator | 1. an agent that operates some apparatus or machine 2. a person who handles things manually More Definitions → |
| agitator | 1. one who agitates; a political troublemaker More Definitions → |
| conservator | 1. the custodian of a collection (as a museum or library) 2. someone appointed by a court to assume responsibility for the interests of a minor or incompetent person More Definitions → |
| liberator | 1. someone who releases people from captivity or bondage More Definitions → |
| escalator | 1. a clause in a contract that provides for an increase or a decrease in wages or prices or benefits etc. depending on certain conditions (as a change in the cost of living index) 2. a stairway whose steps move continuously on a circulating belt More Definitions → |
| violator | 1. someone who violates the law 2. someone who assaults others sexually More Definitions → |
| laminator | 1. a person who makes laminates (especially plastic laminates) 2. Any of a range of machines used for lamination. More Definitions → |
| authenticator | 1. one who determines authenticity (as of works of art) or who guarantees validity More Definitions → |
| motivator | 1. a positive motivational influence More Definitions → |
| adjudicator | 1. a person who studies and settles conflicts and disputes More Definitions → |
| enumerator | 1. someone who collects census data by visiting individual homes More Definitions → |
| diatom | 1. microscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica More Definitions → |
| haematology | 1. the branch of medicine that deals with diseases of the blood and blood-forming organs More Definitions → |
| oratory | 1. addressing an audience formally (usually a long and rhetorical address and often pompous) More Definitions → |
| attenuator | 1. an electrical device for attenuating the strength of an electrical signal More Definitions → |
| orator | 1. a person who delivers a speech or oration More Definitions → |
| stator | 1. mechanical device consisting of the stationary part of a motor or generator in or around which the rotor revolves More Definitions → |
| detonator | 1. a mechanical or electrical explosive device or a small amount of explosive; can be used to initiate the reaction of a disrupting explosive More Definitions → |
| crematorium | 1. a mortuary where corpses are cremated 2. a furnace where a corpse can be burned and reduced to ashes More Definitions → |
| fabricator | 1. someone who tells lies More Definitions → |
| eschatology | 1. the branch of theology that is concerned with such final things as death and Last Judgment; Heaven and Hell; the ultimate destiny of humankind More Definitions → |
| cockatoo | 1. white or light-colored crested parrot of the Australian region; often kept as cage birds More Definitions → |
| vibrato | 1. (music) a pulsating effect in an instrumental or vocal tone produced by slight and rapid variations in pitch More Definitions → |
| testator | 1. a person who makes a will More Definitions → |
| propagator | 1. someone who propagates plants (as under glass) 2. someone who spreads the news More Definitions → |
| satori | 1. (Zen Buddhism) a state of sudden spiritual enlightenment More Definitions → |
| spermatozoa | 1. the male reproductive cell; the male gamete More Definitions → |
| impersonator | 1. someone who (fraudulently) assumes the appearance of another More Definitions → |
| hematoma | 1. a localized swelling filled with blood More Definitions → |
| conspirator | 1. a member of a conspiracy More Definitions → |
| oratorio | 1. a musical composition for voices and orchestra based on a religious text More Definitions → |
| staccato | More Definitions → |
| neonatology | 1. that branch of pediatric medicine concerned with the newborn; the diagnosis and treatment of neonates More Definitions → |
| exterminator | 1. someone who exterminates (especially someone whose occupation is the extermination of troublesome rodents and insects) More Definitions → |
| interrogator | 1. a questioner who is excessively harsh More Definitions → |
| aflatoxin | 1. a potent carcinogen from the fungus Aspergillus; can be produced and stored for use as a bioweapon More Definitions → |
| hematocrit | 1. the ratio of the volume occupied by packed red blood cells to the volume of the whole blood as measured by a hematocrit 2. a measuring instrument to determine (usually by centrifugation) the relative amounts of corpuscles and plasma in the blood More Definitions → |
| crematory | 1. a mortuary where corpses are cremated 2. a furnace where a corpse can be burned and reduced to ashes More Definitions → |
| deflator | 1. a statistical factor designed to remove the effect of inflation; inflation adjusted variables are in constant dollars More Definitions → |
| collimator | 1. a small telescope attached to a large telescope to use in setting the line of the larger one 2. optical device consisting of a tube containing a convex achromatic lens at one end and a slit at the other with the slit at the focus of the lens; light rays leave the slit as a parallel beam More Definitions → |
| aerator | 1. an apparatus for exposing something to the air (as sewage) More Definitions → |
| migrator | 1. traveler who moves from one region or country to another 2. an animal (especially birds and fish) that travels between different habitats at particular times of the year More Definitions → |
| vasodilator | 1. a drug that causes dilation of blood vessels More Definitions → |
| discriminator | 1. a person who (or that which) differentiates More Definitions → |
| subatomic | More Definitions → |
| teratology | 1. the branch of biology concerned with the development of malformations or serious deviations from the normal type of organism More Definitions → |
| procurator | 1. a person authorized to act for another 2. (ancient Rome) someone employed by the Roman Emperor to manage finance and taxes More Definitions → |
| neurofibromatosis | 1. autosomal dominant disease characterized by numerous neurofibromas and by spots on the skin and often by developmental abnormalities More Definitions → |
| cultivator | 1. someone concerned with the science or art or business of cultivating the soil 2. a farm implement used to break up the surface of the soil (for aeration and weed control and conservation of moisture) More Definitions → |
| instigator | 1. someone who deliberately foments trouble 2. a person who initiates a course of action More Definitions → |
| moderato | More Definitions → |
| hemochromatosis | 1. pathology in which iron accumulates in the tissues; characterized by bronzed skin and enlarged liver and diabetes mellitus and abnormalities of the pancreas and the joints More Definitions → |
| speculator | 1. someone who makes conjectures without knowing the facts 2. someone who risks losses for the possibility of considerable gains More Definitions → |
| infiltrator | 1. someone who takes up a position surreptitiously for the purpose of espionage 2. an intruder (as troops) with hostile intent More Definitions → |
| hecatomb | 1. a great sacrifice; an ancient Greek or Roman sacrifice of 100 oxen More Definitions → |
| procrastinator | 1. someone who postpones work (especially out of laziness or habitual carelessness) More Definitions → |
| neuroanatomy | 1. the anatomy of the nervous system More Definitions → |
| annihilator | 1. a total destroyer More Definitions → |
| differentiator | 1. a person who (or that which) differentiates More Definitions → |
| inflator | 1. an air pump operated by hand to inflate something (as a tire) More Definitions → |
| litigator | 1. (law) a party to a lawsuit; someone involved in litigation More Definitions → |
| commutator | 1. switch for reversing the direction of an electric current More Definitions → |
| demodulator | 1. rectifier that extracts modulation from a radio carrier wave More Definitions → |
| atomizer | 1. a dispenser that turns a liquid (such as perfume) into a fine mist More Definitions → |
| spermatogenesis | 1. development of spermatozoa More Definitions → |
| chromatograph | 1. equipment that enables a sophisticated separation, e.g. gas chromatographic or liquid chromatographic separation. More Definitions → |
| nominator | 1. someone who proposes a candidate for appointment or election More Definitions → |
| pizzicato | 1. a note or passage that is played pizzicato More Definitions → |
| conservatoire | 1. a schoolhouse with special facilities for fine arts More Definitions → |
| bronchodilator | 1. a drug that relaxes and dilates the bronchial passageways and improves the passages of air into the lungs More Definitions → |
| syndicator | 1. a businessman who forms a syndicate More Definitions → |
| interrogatory | 1. formal systematic questioning More Definitions → |
| hepatoma | 1. carcinoma of the liver More Definitions → |
| sanatorium | 1. a hospital for recuperation or for the treatment of chronic diseases 2. pejorative terms for an insane asylum More Definitions → |
| keratosis | 1. a skin condition marked by an overgrowth of layers of horny skin More Definitions → |
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4-Letter Nouns Containing ATO
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7-Letter Nouns Containing ATO
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8-Letter Nouns Containing ATO
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11-Letter Nouns Containing ATO
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12-Letter Nouns Containing ATO
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13-Letter Nouns Containing ATO
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14-Letter Nouns Containing ATO
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15-Letter Nouns Containing ATO
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