Glossary · Nouns · C
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TermTypeDefinitionClassificationsUpdated
Celestial EquatornounMWEthe great circle on the celestial sphere midway between the celestial polesverified
Celestial GuidancenounMWEa method of controlling the flight of a missile or spacecraft by reference to the positions of celestial bodiesverified
Celestial HorizonnounMWEthe great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earthverified
Celestial LatitudenounMWE(astronomy) the angular distance of a celestial body north or to the south of the celestial equatorverified
Celestial LongitudenounMWE(astronomy) the equatorial coordinate specifying the angle, measured eastward along the celestial equator, from the vernal equinox to the intersection of the hour circle that passes through an object in the skyverified
Celestial MechanicsnounMWEthe branch of astronomy concerned with the application of Newton's laws of motion to the motions of heavenly bodiesverified
Celestial OrbitnounMWEthe (usually elliptical) path described by one celestial body in its revolution about anotherverified
Celestial PolenounMWEone of two points of intersection of the Earth's axis and the celestial sphereverified
Celestial SpherenounMWEthe apparent surface of the imaginary sphere on which celestial bodies appear to be projectedverified
Celiac ArterynounMWEan artery that originates from the abdominal aorta just below the diaphragm and branches into the left gastric artery and the common hepatic artery and the splenic arteryverified
Celiac TrunknounMWEan artery that originates from the abdominal aorta just below the diaphragm and branches into the left gastric artery and the common hepatic artery and the splenic arteryverified
Cell DeathnounMWE(physiology) the normal degeneration and death of living cells (as in various epithelial cells)verified
Cell DivisionnounMWEthe process in reproduction and growth by which a cell divides to form daughter cellsverified
Cell DoctrinenounMWE(biology) the theory that cells form the fundamental structural and functional units of all living organismsverified
Cell MembranenounMWEa thin membrane (a double layer of lipids) enclosing the cytoplasm of a cellverified
Cell NucleusnounMWEa part of the cell containing DNA and RNA and responsible for growth and reproductionverified
Cell RespirationnounMWEthe metabolic processes whereby certain organisms obtain energy from organic moleculesverified
Cell TheorynounMWE(biology) the theory that cells form the fundamental structural and functional units of all living organismsverified
Cell WallnounMWEa rigid layer of polysaccharides enclosing the membrane of plant and prokaryotic cellsverified
Cell-Mediated Immune ResponsenounMWEan immune response (chiefly against viral or fungal invasions or transplanted tissue) that involves T cellsverified
Cellophanenouna transparent paperlike product that is impervious to moisture and used to wrap candy or cigarettes etc.verified
Cellular DivisionnounMWEthe process in reproduction and growth by which a cell divides to form daughter cellsverified
Cellular InclusionnounMWEany small intracellular body found within another (characteristic of certain diseases)verified
Cellular PhonenounMWEa hand-held mobile radiotelephone for use in an area divided into small sections, each with its own short-range transmitter/receiververified
Cellular RespirationnounMWEthe metabolic processes whereby certain organisms obtain energy from organic moleculesverified
Cellular Slime MoldnounMWEdiffering from true slime molds in being cellular and nucleate throughout the life cycleverified
Cellular TelephonenounMWEa hand-held mobile radiotelephone for use in an area divided into small sections, each with its own short-range transmitter/receiververified
Cellulitisnounan inflammation of body tissue (especially that below the skin) characterized by fever and swelling and redness and painverified
Cellulose TapenounMWEtransparent or semitransparent adhesive tape (trade names Scotch tape and Sellotape) used for sealing or attaching or mendingverified
Celomnouna cavity in the mesoderm of an embryo that gives rise in humans to the pleural cavity and pericardial cavity and peritoneal cavityverified
Celomanouna cavity in the mesoderm of an embryo that gives rise in humans to the pleural cavity and pericardial cavity and peritoneal cavityverified
Cement MixernounMWEa machine with a large revolving drum in which cement is mixed with other materials to make concreteverified
Cenogenesisnounthe introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species, such as the addition of the placenta in mammalian evolutionverified
Cenotaphnouna monument built to honor people whose remains are interred elsewhere or whose remains cannot be recoveredverified
Censernouna container for burning incense (especially one that is swung on a chain in a religious ritual)verified
Censoringnouncounterintelligence achieved by banning or deleting any information of value to the enemyverified
Censorshipnouncounterintelligence achieved by banning or deleting any information of value to the enemyverified
Centavonouna fractional monetary unit of several countries: El Salvador and Sao Tome and Principe and Brazil and Argentina and Bolivia and Colombia and Cuba and the Dominican Republic and Ecuador and El Salvador and Guatemala and Honduras and Mexico and Nicaragua and Peru and the Philippines and Portugalverified
Center FieldnounMWEthe fielding position of the player on a baseball team who is expected to field balls in the central third of the outfieldverified
Center of BuoyancynounMWE(physics) the center of mass of the immersed part of ship or other floating objectverified
Center of GravitynounMWEthe point within something at which gravity can be considered to actverified
Center of ImmersionnounMWE(physics) the center of mass of the immersed part of ship or other floating objectverified
Center PunchnounMWEa tool with a conical point that is used to make indentations in metal (especially to mark points for drilling)verified
Centeringnoun(American football) putting the ball in play by passing it (between the legs) to a backverified
Centesimonouna fractional monetary unit of several countries: Panama and Italy and Uruguay and Chileverified
Centesisnoun(surgery) the act of puncturing a body cavity or organ with a hollow needle in order to draw out fluidverified