home/glossary/Nouns · C

Glossary · Nouns · C

L1 — paginated flat list. Pick a POS, pick a letter.

TermTypeDefinitionClassificationsUpdated
Centigrade ScalenounMWEa temperature scale that defines the freezing point of water as 0 degrees and the boiling point of water as 100 degreesverifiedMay 18, 2026
Centilenoun(statistics) any of the 99 numbered points that divide an ordered set of scores into 100 parts each of which contains one-hundredth of the totalverifiedMay 18, 2026
Centiliternouna metric unit of volume equal to one hundredth of a literverifiedMay 18, 2026
Centilitrenouna metric unit of volume equal to one hundredth of a literverifiedMay 18, 2026
Centimenouna fractional monetary unit of several countries: France and Algeria and Belgium and Burkina Faso and Burundi and Cameroon and Chad and the Congo and Gabon and Haiti and the Ivory Coast and Luxembourg and Mali and Morocco and Niger and Rwanda and Senegal and Switzerland and TogoverifiedMay 18, 2026
Centimeternouna metric unit of length equal to one hundredth of a meterverifiedMay 18, 2026
Centimetrenouna metric unit of length equal to one hundredth of a meterverifiedMay 18, 2026
Centimonouna fractional monetary unit of Venezuela and Costa Rica and Equatorial Guinea and Paraguay and SpainverifiedMay 18, 2026
Centipedenounchiefly nocturnal predacious arthropod having a flattened body of 15 to 173 segments each with a pair of legs, the foremost pair being modified as prehensorsverifiedMay 18, 2026
Centnernounin some European countries: a unit of weight equivalent to 50 kilogramsverifiedMay 18, 2026
Central Artery of the RetinanounMWEa branch of the ophthalmic arteryverifiedMay 18, 2026
Central BanknounMWEa government monetary authority that issues currency and regulates the supply of credit and holds the reserves of other banks and sells new issues of securities for the governmentverifiedMay 18, 2026
Central BodynounMWEsmall region of cytoplasm adjacent to the nucleusverifiedMay 18, 2026
Central ChimpanzeenounMWEblack-faced chimpanzees of central AfricaverifiedMay 18, 2026
Central CitynounMWEthe central part of a cityverifiedMay 18, 2026
Central GyrusnounMWEeither of two gyri on either side of the central sulcusverifiedMay 18, 2026
Central HeatingnounMWEa heating system in which air or water is heated at a central furnace and sent through the building via vents or pipes and radiatorsverifiedMay 18, 2026
Central Nervous SystemnounMWEthe portion of the vertebrate nervous system consisting of the brain and spinal cordverifiedMay 18, 2026
Central OfficenounMWE(usually plural) the office that serves as the administrative center of an enterpriseverifiedMay 18, 2026
Central Office of RecordnounMWEOffice of a federal department or agency that keeps records of accountable COMSEC material held by elements subject to its oversightOrganizationRegulatedCUIMay 9, 2026
Central Processing UnitnounMWE(computer science) the part of a computer (a microprocessor chip) that does most of the data processingverifiedMay 18, 2026
Central ProcessornounMWE(computer science) the part of a computer (a microprocessor chip) that does most of the data processingverifiedMay 18, 2026
Central ScotomanounMWEa scotoma that involves the fixation pointverifiedMay 18, 2026
Central Services NodenounMWEThe Key Management Infrastructure core node that provides central security management and data management services.SystemRestrictedCUIMay 9, 2026
Central SulcusnounMWEa brain fissure extending upward on the lateral surface of both hemispheresverifiedMay 18, 2026
Central Vein of RetinanounMWEvein formed by the union of the retinal veinsverifiedMay 18, 2026
Central Vein of Suprarenal GlandnounMWEa single draining veinverifiedMay 18, 2026
Central Veins of LivernounMWEterminal branches of the hepatic veins that lie in the hepatic lobules and receive blood from the liver sinusoidsverifiedMay 18, 2026
Central VisionnounMWEvision using the fovea and parafoveaverifiedMay 18, 2026
Centralisationnounthe act of consolidating power under a central controlverifiedMay 18, 2026
Centralismnounthe political policy of concentrating power in a central organizationverifiedMay 18, 2026
Centralitynounthe property of being centralverifiedMay 18, 2026
Centralizationnounthe act of consolidating power under a central controlverifiedMay 18, 2026
Centrarchidnounsmall carnivorous freshwater percoid fishes of North America usually having a laterally compressed body and metallic luster: crappiesverifiedMay 18, 2026
Centre BitnounMWEa bit with a sharp center point for guidance and two side cuttersverifiedMay 18, 2026
Centre of AttentionnounMWEthe object upon which interest and attention focusesverifiedMay 18, 2026
Centre of BuoyancynounMWE(physics) the center of mass of the immersed part of ship or other floating objectverifiedMay 18, 2026
Centre of CurvaturenounMWEthe center of the circle of curvatureverifiedMay 18, 2026
Centre of FlotationnounMWEthe center of gravity of a floating objectverifiedMay 18, 2026
Centre of GravitynounMWEthe point within something at which gravity can be considered to actverifiedMay 18, 2026
Centre of MassnounMWEpoint representing the mean position of the matter in a bodyverifiedMay 18, 2026
Centre SpreadnounMWEthe spread at the center of a magazineverifiedMay 18, 2026
Centre StagenounMWEa position of prominence or importanceverifiedMay 18, 2026
Centreboardnouna retractable fin keel used on sailboats to prevent drifting to leewardverifiedMay 18, 2026
Centrefoldnouna magazine center spreadverifiedMay 18, 2026
Centrepiecenounsomething placed at the center of something else (as on a table)verifiedMay 18, 2026
Centrexnoun(CENTRal EXchange) a kind of telephone exchangeverifiedMay 18, 2026
Centrifugal ForcenounMWEthe outward force on a body moving in a curved path around another bodyverifiedMay 18, 2026
Centrifugal PumpnounMWEa pump that use centrifugal force to discharge fluid into a pipeverifiedMay 18, 2026
Centrifugationnounthe process of separating substances of different densities by the use of a centrifugeverifiedMay 18, 2026
Centriolenounone of a pair of small cylindrical cell organelles near the nucleus in animal cellsverifiedMay 18, 2026
Centripetal AccelerationnounMWEthe acceleration toward the center that holds a satellite in elliptical orbitverifiedMay 18, 2026
Centripetal ForcenounMWEthe inward force on a body moving in a curved path around another bodyverifiedMay 18, 2026
Centrismnouna political philosophy of avoiding the extremes of left and right by taking a moderate position or course of actionverifiedMay 18, 2026
Centroidnounthe center of mass of an object of uniform densityverifiedMay 18, 2026
Centromerenouna specialized condensed region of each chromosome that appears during mitosis where the chromatids are held together to form an X shapeverifiedMay 18, 2026
Centrosomenounsmall region of cytoplasm adjacent to the nucleusverifiedMay 18, 2026
Centrumnounthe main body of a vertebraverifiedMay 18, 2026
Centurionnoun(ancient Rome) the leader of 100 soldiersverifiedMay 18, 2026
Centurynouna period of 100 yearsverifiedMay 18, 2026
Century PlantnounMWEtropical American plants with basal rosettes of fibrous sword-shaped leaves and flowers in tall spikesverifiedMay 18, 2026
Ceonounthe corporate executive responsible for the operations of the firmverifiedMay 18, 2026
Cephalalgianounpain in the head caused by dilation of cerebral arteries or muscle contractions or a reaction to drugsverifiedMay 18, 2026
Cephalaspidnounextinct jawless fish of the Devonian with armored headverifiedMay 18, 2026
Cephalexinnounan oral cephalosporin (trade names Keflex and Keflin and Keftab) commonly prescribe for mild to moderately severe infections of the skin or ears or throat or lungs or urinary tractverifiedMay 18, 2026
Cephalhematomanouna collection of blood under the scalp of a newbornverifiedMay 18, 2026
Cephalic IndexnounMWEratio (in percent) of the maximum breadth to the maximum length of a skullverifiedMay 18, 2026
Cephalic VeinnounMWEa large vein of the arm that empties into the axillary veinverifiedMay 18, 2026
Cephalitisnouninflammation of the brain usually caused by a virusverifiedMay 18, 2026
Cephalochordatenounfish-like animals having a notochord rather than a true spinal columnverifiedMay 18, 2026
Cephaloglycinnounantibiotic related to cephalosporin but no longer in common useverifiedMay 18, 2026
Cephalohematomanouna collection of blood under the scalp of a newbornverifiedMay 18, 2026
Cephalometrynounmeasurement of human headsverifiedMay 18, 2026
Cephalopod MollusknounMWEmarine mollusk characterized by well-developed head and eyes and sucker-bearing tentaclesverifiedMay 18, 2026
Cephaloridinenouna broad spectrum semisynthetic antibiotic produced by modifying cephalosporinverifiedMay 18, 2026
Cephalosporinnounone of several broad spectrum antibiotic substances obtained from fungi and related to penicillin (trade names Mefoxin)verifiedMay 18, 2026
Cephalothinnouna semisynthetic analogue of cephalosporinverifiedMay 18, 2026
Ceramic WarenounMWEutensils made from ceramic materialverifiedMay 18, 2026
Ceramicistnouna craftsman who shapes pottery on a potter's wheel and bakes them it a kilnverifiedMay 18, 2026
Ceramistnouna craftsman who shapes pottery on a potter's wheel and bakes them it a kilnverifiedMay 18, 2026
Cerasnounone of the often brightly colored and branching hornlike structures on the back of the nudibranch (and other related mollusks) that serve as gillsverifiedMay 18, 2026
Cerastesnounhighly venomous viper of northern Africa and southwestern Asia having a horny spine above each eyeverifiedMay 18, 2026
Ceratenouna hard medicated paste made of lard or oil mixed with wax or resinverifiedMay 18, 2026
Ceratinnouna fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair, feathers, nails, and hoovesverifiedMay 18, 2026
Ceratodusnounextinct lungfishverifiedMay 18, 2026
Ceratopsiannounany of several four-footed herbivorous dinosaurs with enormous beaked skullsverifiedMay 18, 2026
Ceratosaurnounprimitive medium-sized theropodverifiedMay 18, 2026
Ceratosaurusnounprimitive medium-sized theropodverifiedMay 18, 2026
Ceratozamianouna small cycad of the genus Ceratozamia having a short scaly woody trunk and fernlike foliage and woody conesverifiedMay 18, 2026
Cercarianountadpole-shaped parasitic larva of a trematode wormverifiedMay 18, 2026
Cereal BowlnounMWEa bowl for holding breakfast cerealverifiedMay 18, 2026
Cereal BoxnounMWEa paper box in which breakfast cereals are soldverifiedMay 18, 2026
Cereal GrassnounMWEgrass whose starchy grains are used as food: wheatverifiedMay 18, 2026
Cereal OatnounMWEwidely cultivated in temperate regions for its edible grainsverifiedMay 18, 2026
Cerebellar ArterynounMWEan artery that supplies the cerebellumverifiedMay 18, 2026
Cerebellar HemispherenounMWEeither of two lateral lobes of the cerebellumverifiedMay 18, 2026
Cerebellar VeinnounMWEthe veins draining the cerebellumverifiedMay 18, 2026
Cerebellumnouna major division of the vertebrate brainverifiedMay 18, 2026
Cerebral AneurysmnounMWEan aneurysm of the carotid arteryverifiedMay 18, 2026
Cerebral AqueductnounMWEa canal connecting the third and fourth ventriclesverifiedMay 18, 2026