| celestite | (noun) a mineral consisting of strontium sulphate | - |
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| celibacy | (noun) abstaining from sexual relations (as because of religious vows) | Synonyms: chastity, sexual abstention |
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| (noun) an unmarried status | - |
| celibate | (noun) an unmarried person who has taken a religious vow of chastity | - |
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| celiocentesis | (noun) removal of fluid from the abdomen by centesis | - |
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| celioma | (noun) an abdominal tumor | - |
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| celioscopy | (noun) endoscopic examination of the abdomen through the abdominal wall | - |
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| cell | (noun) (biology) the basic structural and functional unit of all organisms; they may exist as independent units of life (as in monads) or may form colonies or tissues as in higher plants and animals | - |
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| (noun) a device that delivers an electric current as the result of a chemical reaction | Synonyms: electric cell |
| (noun) a room where a prisoner is kept | Synonyms: jail cell, prison cell |
| (noun) small room in which a monk or nun lives | Synonyms: cubicle |
| (noun) any small compartment | - |
| (noun) a hand-held mobile radiotelephone for use in an area divided into small sections, each with its own short-range transmitter/receiver | Synonyms: cellphone, cellular phone, cellular telephone, mobile phone |
| (noun) a small unit serving as part of or as the nucleus of a larger political movement | Synonyms: cadre |
| cellar | (noun) the lowermost portion of a structure partly or wholly below ground level; often used for storage | Synonyms: basement |
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| (noun) storage space where wines are stored | Synonyms: wine cellar |
| (noun) an excavation where root vegetables are stored | Synonyms: root cellar |
| cellarage | (noun) a storage area in a cellar | - |
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| (noun) a charge for storing goods in a cellar | - |
| cellaret | (noun) sideboard with compartments for holding bottles | Synonyms: minibar |
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| cellblock | (noun) a division of a prison (usually consisting of several cells) | Synonyms: ward |
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| cellist | (noun) someone who plays a violoncello | Synonyms: violoncellist |
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| cello | (noun) a large stringed instrument; seated player holds it upright while playing | Synonyms: violoncello |
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| cellophane | (noun) a transparent paperlike product that is impervious to moisture and used to wrap candy or cigarettes etc. | - |
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| cellphone | (noun) a hand-held mobile radiotelephone for use in an area divided into small sections, each with its own short-range transmitter/receiver | Synonyms: cell, cellular phone, cellular telephone, mobile phone |
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| cellularity | (noun) the state of having cells | - |
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| cellulite | (noun) lumpy deposits of body fat especially on women's thighs etc. | - |
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| cellulitis | (noun) an inflammation of body tissue (especially that below the skin) characterized by fever and swelling and redness and pain | - |
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| celluloid | (noun) a medium that disseminates moving pictures | Synonyms: cinema, film |
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| (noun) highly flammable substance made from cellulose nitrate and camphor; used in e.g. motion-picture and X-ray film; its use has decreased with the development of nonflammable thermoplastics | - |
| cellulose | (noun) a polysaccharide that is the chief constituent of all plant tissues and fibers | - |
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| cellulosic | (noun) a plastic made from cellulose (or a derivative of cellulose) | - |
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| celom | (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: celoma, coelom |
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| celoma | (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, coelom |
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| celtuce | (noun) leaves having celery-like stems eaten raw or cooked | - |
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| (noun) lettuce valued especially for its edible stems | Synonyms: Lactuca sativa asparagina, stem lettuce |
| centerfield | (noun) the fielding position of the player on a baseball team who is expected to field balls in the central third of the outfield | Synonyms: center field |
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| (noun) the piece of ground in the outfield directly ahead of the catcher | Synonyms: center, center field, centre |
| centerfielder | (noun) the person who plays center field | Synonyms: center fielder |
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| cerebellum | (noun) a major division of the vertebrate brain; situated above the medulla oblongata and beneath the cerebrum in humans | - |
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| chamaeleon | (noun) lizard of Africa and Madagascar able to change skin color and having a projectile tongue | Synonyms: chameleon |
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| chameleon | (noun) lizard of Africa and Madagascar able to change skin color and having a projectile tongue | Synonyms: chamaeleon |
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| (noun) a changeable or inconstant person | - |
| chancel | (noun) area around the altar of a church for the clergy and choir; often enclosed by a lattice or railing | Synonyms: bema, sanctuary |
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| chancellery | (noun) a government building housing the office of a chancellor | - |
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| chancellor | (noun) the person who is head of government (in several countries) | Synonyms: premier, prime minister |
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| (noun) the honorary or titular head of a university | - |
| chancellorship | (noun) the office of chancellor | - |
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| chandelier | (noun) branched lighting fixture; often ornate; hangs from the ceiling | Synonyms: pendant, pendent |
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| chandelle | (noun) a flight maneuver consisting of a steep climbing turn executed to gain altitude while changing direction | - |
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| changelessness | (noun) the quality of being unchangeable; having a marked tendency to remain unchanged | Synonyms: unchangeability, unchangeableness, unchangingness |
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| (noun) the property of remaining unchanged | - |
| changeling | (noun) a child secretly exchanged for another in infancy | - |
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| (noun) a person of subnormal intelligence | Synonyms: cretin, half-wit, idiot, imbecile, moron, retard |
| channel | (noun) a way of selling a company's product either directly or via distributors | Synonyms: distribution channel |
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| (noun) a passage for water (or other fluids) to flow through | - |
| (noun) a television station and its programs | Synonyms: television channel, TV channel |
| (noun) a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance | Synonyms: canal, duct, epithelial duct |
| (noun) a path over which electrical signals can pass | Synonyms: transmission channel |
| (noun) (often plural) a means of communication or access | Synonyms: communication channel, line |
| (noun) a deep and relatively narrow body of water (as in a river or a harbor or a strait linking two larger bodies) that allows the best passage for vessels | - |
| (noun) a long narrow furrow cut either by a natural process (such as erosion) or by a tool (as e.g. a groove in a phonograph record) | Synonyms: groove |
| channelisation | (noun) management through specified channels of communication | Synonyms: canalisation, canalization, channelization |
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| channelization | (noun) management through specified channels of communication | Synonyms: canalisation, canalization, channelisation |
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| channels | (noun) official routes of communication | - |
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| chantarelle | (noun) widely distributed edible mushroom rich yellow in color with a smooth cap and a pleasant apricot aroma | Synonyms: Cantharellus cibarius, chanterelle |
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| chanterelle | (noun) widely distributed edible mushroom rich yellow in color with a smooth cap and a pleasant apricot aroma | Synonyms: Cantharellus cibarius, chantarelle |
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| chapel | (noun) a service conducted in a place of worship that has its own altar | Synonyms: chapel service |
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| (noun) a place of worship that has its own altar | - |
| chapelgoer | (noun) a Protestant in England who is not a member of the Church of England | Synonyms: Nonconformist |
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| charnel | (noun) a vault or building where corpses or bones are deposited | Synonyms: charnel house |
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| chatelaine | (noun) a chain formerly worn at the waist by women; for carrying a purse or bunch of keys etc. | - |
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| (noun) the mistress of a chateau or large country house | - |
| chattel | (noun) personal as opposed to real property; any tangible movable property (furniture or domestic animals or a car etc) | Synonyms: movable, personal chattel |
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| chela | (noun) a Hindu disciple of a swami | - |
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| (noun) a grasping structure on the limb of a crustacean or other arthropods | Synonyms: claw, nipper, pincer |
| chelate | (noun) a heterocyclic compound having a metal ion attached by coordinate bonds to at least two nonmetal ions | Synonyms: chelate compound |
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| chelation | (noun) the process of forming a ring by forming one or more hydrogen bonds | - |
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| (noun) (medicine) the process of removing a heavy metal from the bloodstream by means of a chelate as in treating lead or mercury poisoning | - |
| chelicera | (noun) either of the first pair of fang-like appendages near the mouth of an arachnid; often modified for grasping and piercing | - |
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| cheloid | (noun) raised pinkish scar tissue at the site of an injury; results from excessive tissue repair | Synonyms: keloid |
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| chelonian | (noun) a reptile of the order Chelonia | Synonyms: chelonian reptile |
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| chesterfield | (noun) a fitted overcoat with a velvet collar | - |
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| (noun) an overstuffed davenport with upright armrests | - |
| chisel | (noun) an edge tool with a flat steel blade with a cutting edge | - |
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| chiseler | (noun) a person who swindles you by means of deception or fraud | Synonyms: chiseller, defrauder, gouger, grifter, scammer, swindler |
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| chiseller | (noun) a person who swindles you by means of deception or fraud | Synonyms: chiseler, defrauder, gouger, grifter, scammer, swindler |
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| chlorella | (noun) any alga of the genus Chlorella | - |
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| cholelithiasis | (noun) the presence of gallstones in the gallbladder | - |
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| cholelithotomy | (noun) removal of gallstone through an incision in the gallbladder | - |
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| christella | (noun) any of several tropical ferns of the genus Christella having thin brittle fronds | - |
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| chrysomelid | (noun) brightly colored beetle that feeds on plant leaves; larvae infest roots and stems | Synonyms: leaf beetle |
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| chunnel | (noun) the railroad tunnel between France and England under the English Channel | Synonyms: Channel Tunnel |
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| citadel | (noun) a stronghold into which people could go for shelter during a battle | Synonyms: bastion |
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| clamshell | (noun) the shell of a clam | - |
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| (noun) a dredging bucket with hinges like the shell of a clam | Synonyms: grapple |
| clientele | (noun) customers collectively | Synonyms: business, patronage |
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| coalfield | (noun) a region where there is coal underground | - |
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| cockateel | (noun) small grey Australian parrot with a yellow crested head | Synonyms: cockatiel, cockatoo parrot, Nymphicus hollandicus |
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| cockatiel | (noun) small grey Australian parrot with a yellow crested head | Synonyms: cockateel, cockatoo parrot, Nymphicus hollandicus |
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| cockerel | (noun) a young domestic cock; not older than one year | - |
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| cockleshell | (noun) a small light flimsy boat | - |
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| cocozelle | (noun) squash resembling zucchini | - |
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| (noun) squash plant having dark green fruit with skin mottled with light green or yellow | Synonyms: Italian vegetable marrow |
| coelacanth | (noun) fish thought to have been extinct since the Cretaceous period but found in 1938 off the coast of Africa | Synonyms: Latimeria chalumnae |
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| coelenterate | (noun) radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms | Synonyms: cnidarian |
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| coelenteron | (noun) the saclike body cavity of a coelenterate | - |
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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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| cogwheel | (noun) a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion | Synonyms: gear, gear wheel, geared wheel |
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| 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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| colpocele | (noun) hernia projecting into the vagina | Synonyms: vaginocele |
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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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| columella | (noun) a small column (or structure resembling a column) that is a part of a plant or animal | - |
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| comeliness | (noun) the quality of being good looking and attractive | Synonyms: beauteousness, fairness, loveliness |
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| commelina | (noun) any plant of the genus Commelina | - |
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| comradeliness | (noun) the quality of affording easy familiarity and sociability | Synonyms: camaraderie, chumminess, comradery, comradeship |
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| congelation | (noun) the process of congealing; solidification by (or as if by) freezing | Synonyms: congealment |
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| constellation | (noun) an arrangement of parts or elements | Synonyms: configuration |
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| (noun) a configuration of stars as seen from the earth | - |
| contumely | (noun) a rude expression intended to offend or hurt | Synonyms: abuse, insult, revilement, vilification |
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| coralbells | (noun) perennial plant of the western United States having bright red flowers in feathery spikes; used as an ornamental | Synonyms: Heuchera sanguinea |
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| corbel | (noun) (architecture) a triangular bracket of brick or stone (usually of slight extent) | Synonyms: truss |
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| coreligionist | (noun) someone having the same religion as another person | - |
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| cornel | (noun) a tree of shrub of the genus Cornus often having showy bracts resembling flowers | Synonyms: dogwood, dogwood tree |
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| cornelian | (noun) a translucent red or orange variety of chalcedony | Synonyms: carnelian |
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| cornfield | (noun) a field planted with corn | Synonyms: corn field |
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| correlate | (noun) either of two or more related or complementary variables | Synonyms: correlative |
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| correlation | (noun) a statistic representing how closely two variables co-vary; it can vary from -1 (perfect negative correlation) through 0 (no correlation) to +1 (perfect positive correlation) | Synonyms: coefficient of correlation, correlation coefficient |
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| (noun) a statistical relation between two or more variables such that systematic changes in the value of one variable are accompanied by systematic changes in the other | Synonyms: correlational statistics |
| (noun) a reciprocal relation between two or more things | Synonyms: correlativity |
| correlative | (noun) either of two or more related or complementary variables | Synonyms: correlate |
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