| calefaction | (noun) the property of being warming | Synonyms: incalescence |
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| calendar | (noun) a list or register of events (appointments or social events or court cases etc) | - |
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| (noun) a tabular array of the days (usually for one year) | - |
| (noun) a system of timekeeping that defines the beginning and length and divisions of the year | - |
| calender | (noun) a machine that smooths or glazes paper or cloth by pressing it between plates or passing it through rollers | - |
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| calendula | (noun) any of numerous chiefly annual herbs of the genus Calendula widely cultivated for their yellow or orange flowers; often used for medicinal and culinary purposes | - |
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| calf | (noun) young of domestic cattle | - |
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| (noun) young of various large placental mammals e.g. whale or giraffe or elephant or buffalo | - |
| (noun) the muscular back part of the shank | Synonyms: sura |
| (noun) fine leather from the skin of a calf | Synonyms: calfskin |
| calfskin | (noun) fine leather from the skin of a calf | Synonyms: calf |
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| caliber | (noun) a degree or grade of excellence or worth | Synonyms: calibre, quality |
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| (noun) diameter of a tube or gun barrel | Synonyms: bore, calibre, gauge |
| calibration | (noun) the act of checking or adjusting (by comparison with a standard) the accuracy of a measuring instrument | Synonyms: standardisation, standardization |
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| calibre | (noun) a degree or grade of excellence or worth | Synonyms: caliber, quality |
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| (noun) diameter of a tube or gun barrel | Synonyms: bore, caliber, gauge |
| caliche | (noun) nitrate-bearing rock or gravel of the sodium nitrate deposits of Chile and Peru | - |
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| (noun) crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions | Synonyms: hardpan |
| calico | (noun) coarse cloth with a bright print | - |
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| caliculus | (noun) a small cup-shaped structure (as a taste bud or optic cup or cavity of a coral containing a polyp) | Synonyms: calycle, calyculus |
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| calif | (noun) the civil and religious leader of a Muslim state considered to be a representative of Allah on earth | Synonyms: caliph, kalif, kaliph, khalif, khalifah |
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| californium | (noun) a radioactive transuranic element; discovered by bombarding curium with alpha particles | Synonyms: atomic number 98, Cf |
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| caliper | (noun) an instrument for measuring the distance between two points | Synonyms: calliper |
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| caliph | (noun) the civil and religious leader of a Muslim state considered to be a representative of Allah on earth | Synonyms: calif, kalif, kaliph, khalif, khalifah |
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| caliphate | (noun) the office of a caliph | - |
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| (noun) the territorial jurisdiction of a caliph | - |
| calisaya | (noun) Peruvian shrub or small tree having large glossy leaves and cymes of fragrant yellow to green or red flowers; cultivated for its medicinal bark | Synonyms: Cinchona calisaya, Cinchona ledgeriana, Cinchona officinalis |
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| calisthenics | (noun) the practice of calisthenic exercises | Synonyms: callisthenics |
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| (noun) light exercises designed to promote general fitness | Synonyms: callisthenics |
| calk | (noun) a metal cleat on the bottom front of a horseshoe to prevent slipping | Synonyms: calkin |
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| calkin | (noun) a metal cleat on the bottom front of a horseshoe to prevent slipping | Synonyms: calk |
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| call | (noun) (sports) the decision made by an umpire or referee | - |
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| (noun) a visit in an official or professional capacity | - |
| (noun) a brief social visit | - |
| (noun) the option to buy a given stock (or stock index or commodity future) at a given price before a given date | Synonyms: call option |
| (noun) a method of contacting a person by phone | Synonyms: phone call, telephone call |
| (noun) a loud utterance; often in protest or opposition | Synonyms: cry, outcry, shout, vociferation, yell |
| (noun) the characteristic sound produced by a bird | Synonyms: birdcall, birdsong, song |
| (noun) a request | - |
| (noun) a demand | Synonyms: claim |
| (noun) a demand for a show of hands in a card game | - |
| (noun) an instruction that interrupts the program being executed | - |
| (noun) a demand by a broker that a customer deposit enough to bring his margin up to the minimum requirement | Synonyms: margin call |
| calla | (noun) South African plant widely cultivated for its showy pure white spathe and yellow spadix | Synonyms: arum lily, calla lily, Zantedeschia aethiopica |
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| callathump | (noun) a noisy mock serenade (made by banging pans and kettles) to a newly married couple | Synonyms: belling, callithump, charivari, chivaree, shivaree |
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| (noun) a noisy boisterous parade | Synonyms: callithump, callithump parade |
| callback | (noun) a request by the manufacturer of a defective product to return the product (as for replacement or repair) | Synonyms: recall |
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| caller | (noun) a social or business visitor | Synonyms: company |
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| (noun) the person initiating a telephone call | Synonyms: caller-up, phoner, telephoner |
| (noun) the person who convenes a meeting | - |
| (noun) someone who proclaims or summons in a loud voice | - |
| (noun) a person who announces the changes of steps during a dance | Synonyms: caller-out |
| (noun) the bettor in a card game who matches the bet and calls for a show of hands | - |
| (noun) an investor who buys a call option | - |
| calliandra | (noun) any of various shrubs and small trees valued for their fine foliage and attractive spreading habit and clustered white to deep pink or red flowers | - |
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| calligrapher | (noun) someone skilled in penmanship | Synonyms: calligraphist |
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| calligraphist | (noun) someone skilled in penmanship | Synonyms: calligrapher |
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| calligraphy | (noun) beautiful handwriting | Synonyms: chirography, penmanship |
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| calling | (noun) the particular occupation for which you are trained | Synonyms: career, vocation |
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| calliope | (noun) a musical instrument consisting of a series of steam whistles played from a keyboard | Synonyms: steam organ |
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| calliopsis | (noun) North American annual widely cultivated for its yellow flowers with purple-red to brownish centers; in some classifications placed in a subgenus Calliopsis | Synonyms: Coreopsis tinctoria |
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| calliper | (noun) an instrument for measuring the distance between two points | Synonyms: caliper |
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| callisthenics | (noun) the practice of calisthenic exercises | Synonyms: calisthenics |
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| (noun) light exercises designed to promote general fitness | Synonyms: calisthenics |
| callithump | (noun) a noisy mock serenade (made by banging pans and kettles) to a newly married couple | Synonyms: belling, callathump, charivari, chivaree, shivaree |
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| (noun) a noisy boisterous parade | Synonyms: callathump, callithump parade |
| callosectomy | (noun) severing the corpus callosum so that communication between the cerebral hemispheres is interrupted (in cases of severe intractable epilepsy) | Synonyms: callosotomy |
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| callosity | (noun) devoid of passion or feeling; hardheartedness | Synonyms: callousness, hardness, insensibility, unfeelingness |
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| (noun) an area of skin that is thick or hard from continual pressure or friction (as the sole of the foot) | Synonyms: callus |
| callosotomy | (noun) severing the corpus callosum so that communication between the cerebral hemispheres is interrupted (in cases of severe intractable epilepsy) | Synonyms: callosectomy |
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| callousness | (noun) devoid of passion or feeling; hardheartedness | Synonyms: callosity, hardness, insensibility, unfeelingness |
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| callowness | (noun) lacking and evidencing lack of experience of life | Synonyms: jejuneness, juvenility |
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| callus | (noun) (botany) an isolated thickening of tissue, especially a stiff protuberance on the lip of an orchid | - |
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| (noun) bony tissue formed during the healing of a fractured bone | - |
| (noun) an area of skin that is thick or hard from continual pressure or friction (as the sole of the foot) | Synonyms: callosity |
| calm | (noun) steadiness of mind under stress | Synonyms: calmness, composure, equanimity |
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| (noun) wind moving at less than 1 knot; 0 on the Beaufort scale | Synonyms: calm air |
| calming | (noun) the act of appeasing (as by acceding to the demands of) | Synonyms: appeasement |
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| calmness | (noun) steadiness of mind under stress | Synonyms: calm, composure, equanimity |
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| (noun) a feeling of calm; an absence of agitation or excitement | - |
| (noun) an absence of strong winds or rain | - |
| calomel | (noun) a tasteless colorless powder used medicinally as a cathartic | Synonyms: mercurous chloride |
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| calorie | (noun) unit of heat defined as the quantity of heat required to raise the temperature of 1 gram of water by 1 degree centigrade at atmospheric pressure | Synonyms: gram calorie, small calorie |
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| calorimeter | (noun) a measuring instrument that determines quantities of heat | - |
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| calorimetry | (noun) measurement of quantities of heat | - |
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| calorisator | (noun) an apparatus used in beet-sugar factories to heat the juice in order to aid the diffusion. | Synonyms: calorizator |
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| calorizator | (noun) an apparatus used in beet-sugar factories to heat the juice in order to aid the diffusion. | Synonyms: calorisator |
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| calosoma | (noun) any beetle of the genus Calosoma | - |
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| calpac | (noun) a high-crowned black cap (usually made of felt or sheepskin) worn by men in Turkey and Iran and the Caucasus | Synonyms: calpack, kalpac |
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| calpack | (noun) a high-crowned black cap (usually made of felt or sheepskin) worn by men in Turkey and Iran and the Caucasus | Synonyms: calpac, kalpac |
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| calque | (noun) an expression introduced into one language by translating it from another language | Synonyms: calque formation, loan translation |
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| caltrop | (noun) tropical annual procumbent poisonous subshrub having fruit that splits into five spiny nutlets; serious pasture weed | Synonyms: devil's weed, Tribulus terestris |
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| (noun) Mediterranean annual or biennial herb having pinkish to purple flowers surrounded by spine-tipped scales; naturalized in America | Synonyms: Centauria calcitrapa, star-thistle |
| (noun) a plant of the genus Trapa bearing spiny four-pronged edible nutlike fruits | Synonyms: water chestnut, water chestnut plant |
| calumet | (noun) a highly decorated ceremonial pipe of Amerindians; smoked on ceremonial occasions (especially as a token of peace) | Synonyms: peace pipe, pipe of peace |
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| calumniation | (noun) a false accusation of an offense or a malicious misrepresentation of someone's words or actions | Synonyms: calumny, defamation, hatchet job, obloquy, traducement |
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| calumny | (noun) an abusive attack on a person's character or good name | Synonyms: aspersion, defamation, denigration, slander |
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| (noun) a false accusation of an offense or a malicious misrepresentation of someone's words or actions | Synonyms: calumniation, defamation, hatchet job, obloquy, traducement |
| calvaria | (noun) the dome of the skull | Synonyms: skullcap |
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| calvary | (noun) any experience that causes intense suffering | Synonyms: martyrdom |
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| calving | (noun) giving birth to a calf | - |
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| calx | (noun) a white crystalline oxide used in the production of calcium hydroxide | Synonyms: burnt lime, calcined lime, calcium oxide, fluxing lime, lime, quicklime, unslaked lime |
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| calycle | (noun) a small cup-shaped structure (as a taste bud or optic cup or cavity of a coral containing a polyp) | Synonyms: caliculus, calyculus |
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| (noun) a group of bracts simulating a calyx as in a carnation or hibiscus | Synonyms: calyculus, epicalyx, false calyx |
| calyculus | (noun) a small cup-shaped structure (as a taste bud or optic cup or cavity of a coral containing a polyp) | Synonyms: caliculus, calycle |
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| (noun) a group of bracts simulating a calyx as in a carnation or hibiscus | Synonyms: calycle, epicalyx, false calyx |
| calypso | (noun) rare north temperate bog orchid bearing a solitary white to pink flower marked with purple at the tip of an erect reddish stalk above 1 basal leaf | Synonyms: Calypso bulbosa, fairy-slipper |
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| calypter | (noun) scalelike structure between the base of the wing and the halter of a two-winged fly | Synonyms: alula |
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| calyptra | (noun) the hood or cap covering the calyx of certain plants: e.g., the California poppy | - |
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| calyx | (noun) (botany) the whorl of sepals of a flower collectively forming the outer floral envelope or layer of the perianth enclosing and supporting the developing bud; usually green | - |
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| canal | (noun) long and narrow strip of water made for boats or for irrigation | - |
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| (noun) a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance | Synonyms: channel, duct, epithelial duct |
| (noun) (astronomy) an indistinct surface feature of Mars once thought to be a system of channels; they are now believed to be an optical illusion | - |
| canaliculus | (noun) a small canal or duct as in some bones and parts of plants | - |
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| canalisation | (noun) the production of a canal or a conversion to canals | Synonyms: canalization |
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| (noun) management through specified channels of communication | Synonyms: canalization, channelisation, channelization |
| canalization | (noun) the production of a canal or a conversion to canals | Synonyms: canalisation |
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| (noun) management through specified channels of communication | Synonyms: canalisation, channelisation, channelization |
| cannibal | (noun) a person who eats human flesh | Synonyms: anthropophagite, anthropophagus, man-eater |
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| cannibalism | (noun) the practice of eating the flesh of your own kind | - |
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| cannonball | (noun) a solid projectile that in former times was fired from a cannon | Synonyms: cannon ball, round shot |
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| cantala | (noun) Philippine plant yielding a hard fibre used in making coarse twine | Synonyms: Agave cantala, maguey |
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| (noun) hard fiber used in making coarse twine; from Philippine agave plants | Synonyms: Cebu maguey, manila maguey |
| cantaloup | (noun) the fruit of a cantaloup vine; small to medium-sized melon with yellowish flesh | Synonyms: cantaloupe |
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| (noun) a variety of muskmelon vine having fruit with a tan rind and orange flesh | Synonyms: cantaloup vine, cantaloupe, cantaloupe vine, Cucumis melo cantalupensis |
| cantaloupe | (noun) the fruit of a cantaloup vine; small to medium-sized melon with yellowish flesh | Synonyms: cantaloup |
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| (noun) a variety of muskmelon vine having fruit with a tan rind and orange flesh | Synonyms: cantaloup, cantaloup vine, cantaloupe vine, Cucumis melo cantalupensis |
| capital | (noun) the upper part of a column that supports the entablature | Synonyms: cap, chapiter |
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| (noun) one of the large alphabetic characters used as the first letter in writing or printing proper names and sometimes for emphasis | Synonyms: capital letter, majuscule, upper-case letter, uppercase |
| (noun) a seat of government | - |
| (noun) a center that is associated more than any other with some activity or product | - |
| (noun) wealth in the form of money or property owned by a person or business and human resources of economic value | - |
| (noun) assets available for use in the production of further assets | Synonyms: working capital |
| capitalisation | (noun) the act of capitalizing on an opportunity | Synonyms: capitalization |
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| (noun) the sale of capital stock | Synonyms: capitalization |
| (noun) an estimation of the value of a business | Synonyms: capitalization |
| (noun) writing in capital letters | Synonyms: capitalization |
| capitalism | (noun) an economic system based on private ownership of capital | Synonyms: capitalist economy |
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| capitalist | (noun) a person who invests capital in a business (especially a large business) | - |
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| (noun) a conservative advocate of capitalism | - |
| capitalization | (noun) the act of capitalizing on an opportunity | Synonyms: capitalisation |
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| (noun) the sale of capital stock | Synonyms: capitalisation |
| (noun) an estimation of the value of a business | Synonyms: capitalisation |
| (noun) writing in capital letters | Synonyms: capitalisation |
| caracal | (noun) of deserts of northern Africa and southern Asia | Synonyms: desert lynx, Lynx caracal |
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| cardinal | (noun) crested thick-billed North American finch having bright red plumage in the male | Synonyms: cardinal grosbeak, Cardinalis cardinalis, redbird, Richmondena Cardinalis |
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| (noun) a variable color averaging a vivid red | Synonyms: carmine |
| (noun) (Roman Catholic Church) one of a group of more than 100 prominent bishops in the Sacred College who advise the Pope and elect new Popes | - |
| (noun) the number of elements in a mathematical set; denotes a quantity but not the order | Synonyms: cardinal number |
| cardinalate | (noun) the office of cardinal | Synonyms: cardinalship |
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| (noun) (Roman Catholic Church) the body of all cardinals of the church; elects and advises the pope | Synonyms: College of Cardinals, Sacred College, Sacred College of Cardinals |
| cardinalfish | (noun) small red fishes of coral reefs and inshore tropical waters | - |
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| cardinality | (noun) (mathematics) the number of elements in a set or group (considered as a property of that grouping) | - |
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| cardinalship | (noun) the office of cardinal | Synonyms: cardinalate |
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| cardiomegaly | (noun) an abnormal enlargement of the heart | Synonyms: enlarged heart, megacardia, megalocardia |
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| carnality | (noun) feeling morbid sexual desire or a propensity to lewdness | Synonyms: lasciviousness, lubricity, prurience, pruriency |
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| carnallite | (noun) a white or reddish mineral consisting of hydrous chlorides of potassium and magnesium; used as a fertilizer and as a source of potassium and magnesium | - |
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| carnival | (noun) a festival marked by merrymaking and processions | - |
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| (noun) a traveling show; having sideshows and rides and games of skill etc. | Synonyms: fair, funfair |
| (noun) a frenetic disorganized (and often comic) disturbance suggestive of a large public entertainment | Synonyms: circus |
| carousal | (noun) revelry in drinking; a merry drinking party | Synonyms: bender, booze-up, carouse, toot |
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| carpal | (noun) any of the eight small bones of the wrist of primates | Synonyms: carpal bone, wrist bone |
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| carryall | (noun) a capacious bag or basket | Synonyms: holdall, tote, tote bag |
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| casualness | (noun) a casual manner | Synonyms: familiarity |
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| (noun) The state of coming without regularity; of being occasional or incidental. | - |
| casualty | (noun) a decrease of military personnel or equipment | - |
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| (noun) an accident that causes someone to die | Synonyms: fatal accident |
| (noun) someone injured or killed in an accident | Synonyms: injured party |
| (noun) someone injured or killed or captured or missing in a military engagement | - |
| catafalque | (noun) a decorated bier on which a coffin rests in state during a funeral | - |
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