| colonnaded | (adjective) having a series of columns arranged at regular intervals | - |
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| 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 | (adjective) having or capable of producing colors | Synonyms: colour |
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| (noun) a visual attribute of things that results from the light they emit or transmit or reflect | Synonyms: coloring, colour, 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: 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 |
| (verb) add color to | Synonyms: color in, colorise, colorize, colour, colour in, colourise, colourize |
| (verb) change color, often in an undesired manner | Synonyms: colour, discolor, discolour |
| (verb) affect as in thought or feeling | Synonyms: colour, distort, tinge |
| (verb) give a deceptive explanation or excuse for | Synonyms: colour, gloss |
| (verb) decorate with colors | Synonyms: colour, emblazon |
| (verb) modify or bias | Synonyms: colour |
| 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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| (verb) broadcast in color | - |
| colorectal | (adjective) relating to or affecting the colon and the rectum | - |
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| colored | (adjective) having color or a certain color; sometimes used in combination | Synonyms: colorful, coloured, colourful |
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| (adjective) (used of color) artificially produced; not natural | Synonyms: bleached, coloured, dyed |
| (adjective) having skin rich in melanin pigments; | Synonyms: coloured, negro |
| (adjective) favoring one person or side over another | Synonyms: biased, coloured, one-sided, slanted |
| (noun) a United States term for Blacks that is now considered offensive | Synonyms: colored person, coloured, coloured person |
| colorfast | (adjective) having color that is resistant to fading or running | - |
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| colorful | (adjective) having much or varied color | Synonyms: colourful |
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| (adjective) having color or a certain color; sometimes used in combination | Synonyms: colored, coloured, colourful |
| (adjective) striking in variety and interest | Synonyms: colourful |
| 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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| colorimetric | (adjective) of or relating to colorimetry | Synonyms: colorimetrical |
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| colorimetrical | (adjective) of or relating to colorimetry | Synonyms: colorimetric |
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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 |
| colorise | (verb) add color to | Synonyms: color, color in, colorize, colour, colour in, colourise, colourize |
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| colorist | (noun) a painter able to achieve special effects with color | - |
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| colorize | (verb) add color to | Synonyms: color, color in, colorise, colour, colour in, colourise, colourize |
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| colorless | (adjective) weak in color; not colorful | Synonyms: colourless |
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| (adjective) lacking in variety and interest | Synonyms: colourless |
| 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 |
| colossal | (adjective) so great in size or force or extent as to elicit awe | Synonyms: prodigious, stupendous |
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| 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 | (adjective) having or capable of producing colors | Synonyms: color |
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| (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 |
| (verb) change color, often in an undesired manner | Synonyms: color, discolor, discolour |
| (verb) add color to | Synonyms: color, color in, colorise, colorize, colour in, colourise, colourize |
| (verb) affect as in thought or feeling | Synonyms: color, distort, tinge |
| (verb) give a deceptive explanation or excuse for | Synonyms: color, gloss |
| (verb) decorate with colors | Synonyms: color, emblazon |
| (verb) modify or bias | Synonyms: color |
| 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 | (adjective) having color or a certain color; sometimes used in combination | Synonyms: colored, colorful, colourful |
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| (adjective) (used of color) artificially produced; not natural | Synonyms: bleached, colored, dyed |
| (adjective) having skin rich in melanin pigments; | Synonyms: colored, negro |
| (adjective) favoring one person or side over another | Synonyms: biased, colored, one-sided, slanted |
| (noun) a United States term for Blacks that is now considered offensive | Synonyms: colored, colored person, coloured person |
| colourful | (adjective) having much or varied color | Synonyms: colorful |
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| (adjective) striking in variety and interest | Synonyms: colorful |
| (adjective) having color or a certain color; sometimes used in combination | Synonyms: colored, colorful, coloured |
| 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 |
| colourise | (verb) add color to | Synonyms: color, color in, colorise, colorize, colour, colour in, colourize |
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| colourize | (verb) add color to | Synonyms: color, color in, colorise, colorize, colour, colour in, colourise |
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| colourless | (adjective) weak in color; not colorful | Synonyms: colorless |
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| (adjective) lacking in variety and interest | Synonyms: colorless |
| 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 |
| colpitis | (noun) inflammation of the vagina | - |
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| colpocele | (noun) hernia projecting into the vagina | Synonyms: vaginocele |
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| colpocystitis | (noun) inflammation of the vagina and bladder | - |
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| colpocystocele | (noun) hernia in which the urinary bladder protrudes through the wall of the vagina; sometimes occurs after childbirth | Synonyms: cystocele |
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| colposcope | (noun) An endoscopic instrument that magnifies the epithelia of the vagina and cervix in vivo to allow direct observation and study of these tissues. | Synonyms: vaginoscope |
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| colpoxerosis | (noun) a condition in which the vagina is unusually dry | - |
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| colt | (noun) a young male horse under the age of four | - |
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| coltan | (noun) a valuable black mineral combining niobite and tantalite; used in cell phones and computer chips | Synonyms: columbite-tantalite |
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| colter | (noun) a sharp steel wedge that precedes the plow and cuts vertically through the soil | Synonyms: coulter |
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| coltish | (adjective) given to merry frolicking | Synonyms: frolicky, frolicsome, rollicking, sportive |
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| coltsfoot | (noun) perennial herb with large rounded leaves resembling a colt's foot and yellow flowers appearing before the leaves do; native to Europe but now nearly cosmopolitan; used medicinally especially formerly | Synonyms: Tussilago farfara |
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| (noun) tufted evergreen perennial herb having spikes of tiny white flowers and glossy green round to heart-shaped leaves that become coppery to maroon or purplish in fall | Synonyms: beetleweed, galax, Galax urceolata, galaxy, wandflower |
| colubrid | (noun) mostly harmless temperate-to-tropical terrestrial or arboreal or aquatic snakes | Synonyms: colubrid snake |
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| colugo | (noun) arboreal nocturnal mammal of southeast Asia and the Philippines resembling a lemur and having a fold of skin on each side from neck to tail that is used for long gliding leaps | Synonyms: flying cat, flying lemur |
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| columbarium | (noun) a sepulchral vault or other structure having recesses in the walls to receive cinerary urns | - |
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| (noun) a niche for a funeral urn containing the ashes of the cremated dead | Synonyms: cinerarium |
| (noun) a birdhouse for pigeons | Synonyms: columbary, dovecote |
| columbary | (noun) a birdhouse for pigeons | Synonyms: columbarium, dovecote |
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| columbine | (noun) a plant of the genus Aquilegia having irregular showy spurred flowers; north temperate regions especially mountains | Synonyms: aquilege, aquilegia |
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| columbite | (noun) a black mineral that is an ore of niobium and tantalum | Synonyms: niobite |
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| columbium | (noun) a former name for niobium | - |
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| columbo | (noun) any of various tall perennial herbs constituting the genus Frasera; widely distributed in warm dry upland areas of California, Oregon, and Washington | Synonyms: American columbo, American gentian, deer's-ear, deer's-ears, pyramid plant |
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| columella | (noun) a small column (or structure resembling a column) that is a part of a plant or animal | - |
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| column | (noun) (architecture) a tall vertical cylindrical structure standing upright and used to support a structure | Synonyms: pillar |
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| (noun) a vertical cylindrical structure standing alone and not supporting anything (such as a monument) | Synonyms: pillar |
| (noun) a vertical glass tube used in column chromatography; a mixture is poured in the top and washed through a stationary substance where components of the mixture are adsorbed selectively to form colored bands | Synonyms: chromatography column |
| (noun) any tubular or pillar-like supporting structure in the body | - |
| (noun) an article giving opinions or perspectives | Synonyms: editorial, newspaper column |
| (noun) a page or text that is vertically divided | - |
| (noun) a line of units following one after another | - |
| (noun) a vertical array of numbers or other information | - |
| (noun) anything that approximates the shape of a column or tower | Synonyms: pillar, tower |
| columnar | (adjective) characterized by columns | - |
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| (adjective) having the form of a column | Synonyms: columniform, columnlike |
| columnea | (noun) tropical plant having thick hairy somewhat toothed leaves and solitary or clustered yellow to scarlet flowers; many cultivated for their flowers and ornamental foliage | - |
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| columned | (adjective) having or resembling columns; having columns of a specified kind (often used as a combining form) | - |
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| columniation | (noun) (architecture) the arrangement of columns (especially freestanding columns) in a structure | - |
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| columniform | (adjective) having the form of a column | Synonyms: columnar, columnlike |
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| columnist | (noun) a journalist who writes editorials | Synonyms: editorialist |
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| columnlike | (adjective) having the form of a column | Synonyms: columnar, columniform |
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| colza | (noun) Eurasian plant cultivated for its seed and as a forage crop | Synonyms: Brassica napus, rape |
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| coma | (noun) a state of deep and often prolonged unconsciousness; usually the result of disease or injury | Synonyms: comatoseness |
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| (noun) (astronomy) the luminous cloud of particles surrounding the frozen nucleus of a comet; forms as the comet approaches the sun and is warmed | - |
| (noun) (botany) a usually terminal tuft of bracts (as in the pineapple) or tuft of hairs (especially on certain seeds) | - |
| comal | (adjective) of certain seeds (such as cotton) having a tuft or tufts of hair | Synonyms: comate, comose |
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| comate | (adjective) bearing a coma; crowned with an assemblage of branches or leaves or bracts | Synonyms: comose |
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| (adjective) of certain seeds (such as cotton) having a tuft or tufts of hair | Synonyms: comal, comose |
| comatose | (adjective) relating to or associated with a coma | - |
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| (adjective) in a state of deep and usually prolonged unconsciousness; unable to respond to external stimuli | - |
| comatoseness | (noun) a state of deep and often prolonged unconsciousness; usually the result of disease or injury | Synonyms: coma |
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| comatulid | (noun) free-swimming stalkless crinoid with ten feathery arms; found on muddy sea bottoms | Synonyms: feather star |
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| comb | (noun) the act of drawing a comb through hair | Synonyms: combing |
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| (noun) ciliated comb-like swimming plate of a ctenophore | - |
| (noun) the fleshy red crest on the head of the domestic fowl and other gallinaceous birds | Synonyms: cockscomb, coxcomb |
| (noun) a flat device with narrow pointed teeth on one edge; disentangles or arranges hair | - |
| (noun) any of several tools for straightening fibers | - |
| (verb) smoothen and neaten with or as with a comb | Synonyms: comb out, disentangle |
| (verb) search thoroughly | Synonyms: ransack |
| (verb) straighten with a comb | - |
| combat | (noun) an engagement fought between two military forces | Synonyms: armed combat |
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| (noun) the act of fighting; any contest or struggle | Synonyms: fight, fighting, scrap |
| (verb) battle or contend against in or as if in a battle | Synonyms: battle |
| combatant | (adjective) engaging in or ready for combat | - |
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| (noun) someone who fights (or is fighting) | Synonyms: battler, belligerent, fighter, scrapper |
| combative | (adjective) having or showing a ready disposition to fight | Synonyms: battleful, bellicose |
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| (adjective) inclined or showing an inclination to dispute or disagree, even to engage in law suits | Synonyms: contentious, disputatious, disputative, litigious |
| (adjective) striving to overcome in argument | Synonyms: agonistic, agonistical |
| combatively | (adverb) in a bellicose contentious manner | Synonyms: scrappily |
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| combativeness | (noun) a militant aggressiveness | Synonyms: militance, militancy |
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| combed | (adjective) (of hair) made tidy with a comb | - |
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| comber | (noun) a machine that separates and straightens the fibers of cotton or wool | - |
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| (noun) a long curling sea wave | - |
| (noun) a person who separates and straightens the fibers of cotton or wool | - |
| combinable | (adjective) able to or tending to combine | Synonyms: combinational, combinatory |
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| combination | (noun) the act of combining things to form a new whole | Synonyms: combining, compounding |
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| (noun) the act of arranging elements into specified groups without regard to order | - |
| (noun) a collection of things that have been combined; an assemblage of separate parts or qualities | - |
| (noun) a group of people (often temporary) having a common purpose | - |
| (noun) a sequence of numbers or letters that opens a combination lock | - |
| (noun) an alliance of people or corporations or countries for a special purpose (formerly to achieve some antisocial end but now for general political or economic purposes) | - |
| (noun) a coordinated sequence of chess moves | - |
| combinational | (adjective) able to or tending to combine | Synonyms: combinable, combinatory |
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| combinative | (adjective) marked by or relating to or resulting from combination | Synonyms: combinatory |
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| (adjective) relating to or involving combinations | Synonyms: combinatorial, combinatory |
| combinatorial | (adjective) relating to the combination and arrangement of elements in sets | - |
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| (adjective) relating to or involving combinations | Synonyms: combinative, combinatory |
| combinatory | (adjective) marked by or relating to or resulting from combination | Synonyms: combinative |
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| (adjective) relating to or involving combinations | Synonyms: combinative, combinatorial |
| (adjective) able to or tending to combine | Synonyms: combinable, combinational |
| combine | (noun) harvester that heads and threshes and cleans grain while moving across the field | - |
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| (noun) an occurrence that results in things being united | Synonyms: combining |
| (noun) a consortium of independent organizations formed to limit competition by controlling the production and distribution of a product or service | Synonyms: cartel, corporate trust, trust |
| (verb) mix together different elements | Synonyms: blend, coalesce, commingle, conflate, flux, fuse, immix, meld, merge, mix |
| (verb) put or add together | Synonyms: compound |
| (verb) combine so as to form a whole; mix | Synonyms: compound |
| (verb) gather in a mass, sum, or whole | Synonyms: aggregate |
| (verb) add together from different sources | - |
| (verb) join for a common purpose or in a common action | - |
| (verb) have or possess in combination | Synonyms: unite |
| combined | (adjective) made or joined or united into one | - |
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| combing | (noun) the act of drawing a comb through hair | Synonyms: comb |
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| combining | (noun) the act of combining things to form a new whole | Synonyms: combination, compounding |
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| (noun) an occurrence that results in things being united | Synonyms: combine |
| combo | (noun) a small band of jazz musicians | Synonyms: jazz band, jazz group |
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| combretum | (noun) any of numerous shrubs or small trees of the genus Combretum having spikes of small flowers | - |
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| comburant | (adjective) supporting combustion | Synonyms: comburent, combustive |
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| comburent | (adjective) supporting combustion | Synonyms: comburant, combustive |
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| combust | (verb) undergo combustion | Synonyms: burn |
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| (verb) get very angry and fly into a rage | Synonyms: blow a fuse, blow one's stack, blow up, flip one's lid, flip one's wig, fly off the handle, go ballistic, have a fit, have kittens, hit the ceiling, hit the roof, lose one's temper, throw a fit |
| (verb) cause to become violent or angry | - |
| (verb) start to burn or burst into flames | Synonyms: catch fire, conflagrate, erupt, ignite, take fire |
| (verb) cause to burn or combust | Synonyms: burn |
| combustibility | (noun) the quality of being capable of igniting and burning | Synonyms: burnability, combustibleness |
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