| clonus | (noun) convulsion characterized by alternating contractions and relaxations | - |
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| clop | (noun) the sound of a horse's hoofs hitting on a hard surface | Synonyms: clip-clop, clippety-clop, clopping, clumping, clunking |
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| clopping | (noun) the sound of a horse's hoofs hitting on a hard surface | Synonyms: clip-clop, clippety-clop, clop, clumping, clunking |
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| close | (noun) the concluding part of any performance | Synonyms: closing curtain, finale, finis |
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| (noun) the last section of a communication | Synonyms: closing, conclusion, end, ending |
| (noun) the temporal end; the concluding time | Synonyms: conclusion, finale, finis, finish, last, stopping point |
| closedown | (noun) termination of operations | Synonyms: closing, closure, shutdown |
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| closeness | (noun) the spatial property resulting from a relatively small distance | Synonyms: nearness |
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| (noun) characterized by a lack of openness (especially about one's actions or purposes) | Synonyms: secretiveness |
| (noun) the quality of being close and poorly ventilated | Synonyms: stuffiness |
| (noun) close or warm friendship | Synonyms: familiarity, intimacy |
| (noun) extreme stinginess | Synonyms: meanness, minginess, niggardliness, niggardness, parsimoniousness, parsimony, tightfistedness, tightness |
| (noun) a feeling of being intimate and belonging together | Synonyms: intimacy |
| closeout | (noun) a sale intended to dispose of all remaining stock | - |
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| closer | (noun) (baseball) a relief pitcher who can protect a lead in the last inning or two of the game | Synonyms: finisher |
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| (noun) a person who closes something | - |
| closet | (noun) a small private room for study or prayer | - |
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| (noun) a toilet in Britain | Synonyms: loo, W.C., water closet |
| (noun) a tall piece of furniture that provides storage space for clothes; has a door and rails or hooks for hanging clothes | Synonyms: press, wardrobe |
| (noun) a small room (or recess) or cabinet used for storage space | Synonyms: cupboard |
| closeup | (noun) a photograph taken at close range | - |
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| closing | (noun) termination of operations | Synonyms: closedown, closure, shutdown |
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| (noun) the act of closing something | Synonyms: shutting |
| (noun) a concluding action | Synonyms: completion, culmination, mop up, windup |
| (noun) approaching a particular destination; a coming closer; a narrowing of a gap | Synonyms: closure |
| (noun) the last section of a communication | Synonyms: close, conclusion, end, ending |
| clostridia | (noun) spindle-shaped bacterial cell especially one swollen at the center by an endospore | Synonyms: clostridium |
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| clostridium | (noun) spindle-shaped bacterial cell especially one swollen at the center by an endospore | Synonyms: clostridia |
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| closure | (noun) termination of operations | Synonyms: closedown, closing, shutdown |
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| (noun) the act of blocking | Synonyms: blockage, occlusion |
| (noun) approaching a particular destination; a coming closer; a narrowing of a gap | Synonyms: closing |
| (noun) an obstruction in a pipe or tube | Synonyms: block, blockage, occlusion, stop, stoppage |
| (noun) a Gestalt principle of organization holding that there is an innate tendency to perceive incomplete objects as complete and to close or fill gaps and to perceive asymmetric stimuli as symmetric | Synonyms: law of closure |
| (noun) something settled or resolved; the outcome of decision making | Synonyms: resolution, settlement |
| (noun) a rule for limiting or ending debate in a deliberative body | Synonyms: cloture, gag law, gag rule |
| clot | (noun) a lump of material formed from the content of a liquid | Synonyms: coagulum |
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| clotbur | (noun) any of several erect biennial herbs of temperate Eurasia having stout taproots and producing burs | Synonyms: burdock |
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| cloth | (noun) artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers | Synonyms: fabric, material, textile |
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| clothes | (noun) clothing in general | Synonyms: apparel, dress, wearing apparel |
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| clothesbrush | (noun) a brush used for cleaning clothing | - |
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| clotheshorse | (noun) a framework on which to hang clothes (as for drying) | - |
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| (noun) a man who is much concerned with his dress and appearance | Synonyms: beau, dandy, dude, fashion plate, fop, gallant, sheik, swell |
| clothesline | (noun) a cord on which clothes are hung to dry | - |
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| clothespin | (noun) wood or plastic fastener; for holding clothes on a clothesline | Synonyms: clothes peg, clothes pin |
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| clothespress | (noun) a closet where clothes are stored | Synonyms: clothes closet |
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| clothier | (noun) a merchant who sells men's clothing | Synonyms: haberdasher |
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| clothing | (noun) a covering designed to be worn on a person's body | Synonyms: article of clothing, habiliment, vesture, wear, wearable |
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| clotting | (noun) the process of forming semisolid lumps in a liquid | Synonyms: coagulation, curdling |
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| cloture | (noun) a rule for limiting or ending debate in a deliberative body | Synonyms: closure, gag law, gag rule |
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| cloud | (noun) a group of many things in the air or on the ground | Synonyms: swarm |
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| (noun) a visible mass of water or ice particles suspended at a considerable altitude | - |
| (noun) any collection of particles (e.g., smoke or dust) or gases that is visible | - |
| (noun) suspicion affecting your reputation | - |
| (noun) out of touch with reality | - |
| (noun) a cause of worry or gloom or trouble | - |
| cloudberry | (noun) creeping raspberry of north temperate regions with yellow or orange berries | Synonyms: bakeapple, baked-apple berry, dwarf mulberry, Rubus chamaemorus, salmonberry |
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| cloudburst | (noun) a heavy rain | Synonyms: deluge, downpour, pelter, soaker, torrent, waterspout |
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| cloudiness | (noun) the quality of being cloudy | Synonyms: muddiness, murkiness |
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| (noun) the state of the sky when it is covered by clouds | Synonyms: cloud cover, overcast |
| (noun) gloomy semidarkness caused by cloud cover | Synonyms: overcast |
| clouding | (noun) the process whereby water particles become visible in the sky | Synonyms: clouding up |
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| cloudlessness | (noun) the lightness of a sunny day when there are no clouds in the sky | - |
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| clout | (noun) (boxing) a blow with the fist | Synonyms: biff, lick, poke, punch, slug |
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| (noun) a short nail with a flat head; used to attach sheet metal to wood | Synonyms: clout nail |
| (noun) special advantage or influence | Synonyms: pull |
| (noun) a target used in archery | - |
| clove | (noun) spice from dried unopened flower bud of the clove tree; used whole or ground | - |
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| (noun) one of the small bulblets that can be split off of the axis of a larger garlic bulb | Synonyms: garlic clove |
| (noun) moderate sized very symmetrical red-flowered evergreen widely cultivated in the tropics for its flower buds which are source of cloves | Synonyms: clove tree, Eugenia aromaticum, Eugenia caryophyllatum, Syzygium aromaticum |
| (noun) aromatic flower bud of a clove tree; yields a spice | - |
| clover | (noun) a plant of the genus Trifolium | Synonyms: trefoil |
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| cloverleaf | (noun) an interchange that does not require left-hand turns | - |
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| cloveroot | (noun) hairy Eurasian plant with small yellow flowers and an astringent root formerly used medicinally | Synonyms: clover-root, Geum urbanum, herb bennet, wood avens |
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| clowder | (noun) a group of cats | - |
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| clown | (noun) a person who amuses others by ridiculous behavior | Synonyms: buffoon, goof, goofball, merry andrew |
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| (noun) a rude or vulgar fool | Synonyms: buffoon |
| clowning | (noun) acting like a clown or buffoon | Synonyms: buffoonery, frivolity, harlequinade, japery, prank |
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| (noun) a comic incident or series of incidents | Synonyms: comedy, drollery, funniness |
| clozapine | (noun) an antipsychotic drug (trade name Clozaril) used as a sedative and for treatment-resistant schizophrenia; known to have few side effects | Synonyms: Clozaril |
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| cockloft | (noun) a small loft or garret | - |
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| cocobolo | (noun) a valuable timber tree of tropical South America | Synonyms: Dalbergia retusa |
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| codswallop | (noun) nonsensical talk or writing | Synonyms: applesauce, folderol, rubbish, trash, tripe, trumpery, wish-wash |
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| coelogyne | (noun) any of various orchids of the genus Coelogyne with: clusters of fragrant lacy snow-white flowers; salmon-pink solitary flowers; chainlike racemes of topaz and chocolate brown flowers; spikes of delicate white spice-scented flowers; emerald green flowers marked with blue-black | - |
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| coelom | (noun) a cavity in the mesoderm of an embryo that gives rise in humans to the pleural cavity and pericardial cavity and peritoneal cavity | Synonyms: celom, celoma |
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| coelophysis | (noun) one of the oldest known dinosaurs; late Triassic; cannibalistic | - |
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| coelostat | (noun) optical device used to follow the path of a celestial body and reflect its light into a telescope; has a movable and a fixed mirror | - |
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| collocation | (noun) the act of positioning close together (or side by side) | Synonyms: apposition, juxtaposition |
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| (noun) a grouping of words in a sentence | - |
| collodion | (noun) a colorless syrupy solution of pyroxylin in ether and alcohol; used as a coating for wounds or photographic films | - |
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| colloid | (noun) a mixture with properties between those of a solution and fine suspension | - |
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| colloquialism | (noun) a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech | - |
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| colloquium | (noun) an address to an academic meeting or seminar | - |
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| (noun) an academic meeting or seminar usually led by a different lecturer and on a different topic at each meeting | - |
| colloquy | (noun) formal conversation | - |
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| (noun) a conversation especially a formal one | - |
| collotype | (noun) a photomechanical printing process that uses a glass plate with a gelatin surface that carries the image to be reproduced; can be used with one or more colors | Synonyms: collotype printing, photogelatin process |
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| colobus | (noun) arboreal monkey of western and central Africa with long silky fur and reduced thumbs | Synonyms: colobus monkey |
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| cologne | (noun) a perfumed liquid made of essential oils and alcohol | Synonyms: cologne water, eau de cologne |
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| colon | (noun) the part of the large intestine between the cecum and the rectum; it extracts moisture from food residues before they are excreted | - |
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| (noun) a punctuation mark (:) used after a word introducing a series or an example or an explanation (or after the salutation of a business letter) | - |
| (noun) the basic unit of money in Costa Rica; equal to 100 centimos | Synonyms: Costa Rican colon |
| (noun) the basic unit of money in El Salvador; equal to 100 centavos | Synonyms: El Salvadoran colon |
| colonel | (noun) a commissioned military officer in the United States Army or Air Force or Marines who ranks above a lieutenant colonel and below a brigadier general | - |
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| colonial | (noun) a resident of a colony | - |
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| colonialism | (noun) exploitation by a stronger country of weaker one; the use of the weaker country's resources to strengthen and enrich the stronger country | - |
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| colonialist | (noun) a believer in colonialism | - |
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| colonic | (noun) a water enema given to flush out the colon | Synonyms: colonic irrigation |
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| colonisation | (noun) the act of colonizing; the establishment of colonies | Synonyms: colonization, settlement |
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| coloniser | (noun) someone who helps to found a colony | Synonyms: colonizer |
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| colonist | (noun) a person who settles in a new colony or moves into new country | Synonyms: settler |
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| colonization | (noun) the act of colonizing; the establishment of colonies | Synonyms: colonisation, settlement |
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| colonizer | (noun) someone who helps to found a colony | Synonyms: coloniser |
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| colonnade | (noun) structure consisting of a row of evenly spaced columns | - |
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| (noun) a structure composed of a series of arches supported by columns | Synonyms: arcade |
| colonoscope | (noun) an elongated fiberoptic endoscope for examining the entire colon from cecum to rectum | - |
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| colonoscopy | (noun) visual examination of the colon (with a colonoscope) from the cecum to the rectum; requires sedation | - |
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| colony | (noun) a body of people who settle far from home but maintain ties with their homeland; inhabitants remain nationals of their home state but are not literally under the home state's system of government | Synonyms: settlement |
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| (noun) a group of organisms of the same type living or growing together | - |
| (noun) (microbiology) a group of organisms grown from a single parent cell | - |
| (noun) a geographical area politically controlled by a distant country | Synonyms: dependency |
| (noun) a place where a group of people with the same interest or occupation are concentrated | - |
| colophon | (noun) a publisher's emblem printed in a book (usually on the title page) | - |
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| colophony | (noun) translucent brittle substance produced from pine oleoresin; used especially in varnishes and inks and on the bows of stringed instruments | - |
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| color | (noun) a visual attribute of things that results from the light they emit or transmit or reflect | Synonyms: coloring, colour, colouring |
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| (noun) the appearance of objects (or light sources) described in terms of a person's perception of their hue and lightness (or brightness) and saturation | Synonyms: colour |
| (noun) the timbre of a musical sound | Synonyms: coloration, colour, colouration |
| (noun) interest and variety and intensity | Synonyms: colour, vividness |
| (noun) an outward or token appearance or form that is deliberately misleading | Synonyms: colour, gloss, semblance |
| (noun) (physics) the characteristic of quarks that determines their role in the strong interaction | Synonyms: colour |
| (noun) any material used for its color | Synonyms: coloring material, colour, colouring material |
| coloradillo | (noun) handsome shrub with showy orange to scarlet or crimson flowers; Florida and West Indies to Mexico and Brazil | Synonyms: Hamelia erecta, Hamelia patens, scarlet bush, scarlet hamelia |
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| coloration | (noun) choice and use of colors (as by an artist) | Synonyms: colouration |
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| (noun) appearance with regard to color | Synonyms: colouration |
| (noun) the timbre of a musical sound | Synonyms: color, colour, colouration |
| coloratura | (noun) singing with florid ornamentation | - |
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| (noun) a lyric soprano who specializes in coloratura vocal music | Synonyms: coloratura soprano |
| colorcast | (noun) a television program that is broadcast in color | Synonyms: colourcast |
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| colored | (noun) a United States term for Blacks that is now considered offensive | Synonyms: colored person, coloured, coloured person |
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| colorimeter | (noun) a measuring instrument used in colorimetric analysis to determine the quantity of a substance from the color it yields with specific reagents | Synonyms: tintometer |
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| colorimetry | (noun) quantitative chemical analysis by color using a colorimeter | Synonyms: colorimetric analysis |
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| coloring | (noun) the act or process of changing the color of something | Synonyms: colouring |
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| (noun) a visual attribute of things that results from the light they emit or transmit or reflect | Synonyms: color, colour, colouring |
| (noun) a digestible substance used to give color to food | Synonyms: colouring, food color, food coloring, food colour, food colouring |
| colorist | (noun) a painter able to achieve special effects with color | - |
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| colorlessness | (noun) the visual property of being without chromatic color | Synonyms: achromaticity, achromatism, colourlessness |
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| colors | (noun) a flag that shows its nationality | Synonyms: colours |
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| (noun) a distinguishing emblem | Synonyms: colours |
| colossus | (noun) someone that is abnormally large and powerful | Synonyms: behemoth, giant, goliath, monster |
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| (noun) a person of exceptional importance and reputation | Synonyms: behemoth, giant, heavyweight, titan |
| colostomy | (noun) a surgical operation that creates an opening from the colon to the surface of the body to function as an anus | - |
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| colostrum | (noun) milky fluid secreted for the first day or two after parturition | Synonyms: foremilk |
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| colour | (noun) a visual attribute of things that results from the light they emit or transmit or reflect | Synonyms: color, coloring, colouring |
|---|
| (noun) the appearance of objects (or light sources) described in terms of a person's perception of their hue and lightness (or brightness) and saturation | Synonyms: color |
| (noun) the timbre of a musical sound | Synonyms: color, coloration, colouration |
| (noun) interest and variety and intensity | Synonyms: color, vividness |
| (noun) an outward or token appearance or form that is deliberately misleading | Synonyms: color, gloss, semblance |
| (noun) (physics) the characteristic of quarks that determines their role in the strong interaction | Synonyms: color |
| (noun) any material used for its color | Synonyms: color, coloring material, colouring material |
| colouration | (noun) choice and use of colors (as by an artist) | Synonyms: coloration |
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| (noun) appearance with regard to color | Synonyms: coloration |
| (noun) the timbre of a musical sound | Synonyms: color, coloration, colour |
| colourcast | (noun) a television program that is broadcast in color | Synonyms: colorcast |
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| coloured | (noun) a United States term for Blacks that is now considered offensive | Synonyms: colored, colored person, coloured person |
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| colouring | (noun) the act or process of changing the color of something | Synonyms: coloring |
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| (noun) a visual attribute of things that results from the light they emit or transmit or reflect | Synonyms: color, coloring, colour |
| (noun) a digestible substance used to give color to food | Synonyms: coloring, food color, food coloring, food colour, food colouring |
| colourlessness | (noun) the visual property of being without chromatic color | Synonyms: achromaticity, achromatism, colorlessness |
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| colours | (noun) a flag that shows its nationality | Synonyms: colors |
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| (noun) a distinguishing emblem | Synonyms: colors |
| conchologist | (noun) a collector and student of mollusc shells | - |
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| conchology | (noun) the collection and study of mollusc shells | Synonyms: shell collecting |
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| coneflower | (noun) any of various perennials of the eastern United States having thick rough leaves and long-stalked showy flowers with drooping rays and a conelike center | - |
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| (noun) any of various plants of the genus Rudbeckia cultivated for their large usually yellow daisies with prominent central cones | - |
| (noun) a wildflower of the genus Ratibida | - |