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Glossary · Nouns · C

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TermTypeDefinitionClassificationsUpdated
Cosmologynounthe branch of astrophysics that studies the origin and evolution and structure of the universeverifiedMay 18, 2026
Cosmonautnouna person trained to travel in a spacecraftverifiedMay 18, 2026
Cosmopolitenouna sophisticated person who has travelled in many countriesverifiedMay 18, 2026
Cosmosnounany of various mostly Mexican herbs of the genus Cosmos having radiate heads of variously colored flowers and pinnate leavesverifiedMay 18, 2026
Cosmotronnouna large proton synchrotronverifiedMay 18, 2026
Cossnoun(in India) a unit of length having different values in different localitiesverifiedMay 18, 2026
costnounThe monetary value of resources used or sacrificed or liabilities incurred to achieve an objective such as to acquire or produce a good or to perform an activity or service.MetricMay 12, 2026
Cost AccountantnounMWEa specialist in the systematic recording and analysis of the costs incident to productionverifiedMay 18, 2026
Cost AccountingnounMWEkeeping account of the costs of items in productionverifiedMay 18, 2026
Cost AnalysisnounMWEbreaking down the costs of some operation and reporting on each factor separatelyverifiedMay 18, 2026
Cost Benefit AnalysisnounMWEA cost benefit analysis compares the cost of implementing countermeasures with the value of the reduced risk.ProcessMay 9, 2026
Cost CuttingnounMWEthe act of cutting costsverifiedMay 18, 2026
Cost IncreasenounMWEan increase in costverifiedMay 18, 2026
Cost LedgernounMWEledger showing the accumulated costs classified in various waysverifiedMay 18, 2026
Cost of CapitalnounMWEthe opportunity cost of the funds employed as the result of an investment decisionverifiedMay 18, 2026
Cost of LivingnounMWEaverage cost of basic necessities of life (as food and shelter and clothing)verifiedMay 18, 2026
Cost OverrunnounMWEexcess of cost over budgetverifiedMay 18, 2026
Cost-Of-Living AllowancenounMWEan allowance for changes in the consumer price indexverifiedMay 18, 2026
Cost-Of-Living BenefitnounMWEa benefit that goes to anyone whose money receipts increase automatically as prices riseverifiedMay 18, 2026
Cost-Of-Living IndexnounMWEan index of the cost of all goods and services to a typical consumerverifiedMay 18, 2026
Cost-Plus ContractnounMWEa contract in which the contractor is paid his total cost plus a stated percentage of profitverifiedMay 18, 2026
Cost-Pull InflationnounMWEinflation caused by an increase in the costs of productionverifiedMay 18, 2026
Costanounany of the 12 pairs of curved arches of bone extending from the spine to or toward the sternum in humans (and similar bones in most vertebrates)verifiedMay 18, 2026
Costal CartilagenounMWEthe cartilages that connect the sternum and the ends of the ribsverifiedMay 18, 2026
Costal GroovenounMWEgroove between the ribs where the nerves and blood vessels areverifiedMay 18, 2026
Costalgianounpain in the chest caused by inflammation of the muscles between the ribsverifiedMay 18, 2026
Costermongernouna hawker of fruit and vegetables from a barrowverifiedMay 18, 2026
Costianouna flagellate that is the cause of the frequently fatal fish disease costiasisverifiedMay 18, 2026
Costiasisnouna fatal disease of freshwater fish caused by a flagellated protozoan invading the skinverifiedMay 18, 2026
Costingnouncost accountingverifiedMay 18, 2026
Costlinessnounthe quality possessed by something with a great price or valueverifiedMay 18, 2026
Costmarynounleaves used sparingly (because of bitter overtones) in sauces and soups and stuffingsverifiedMay 18, 2026
Costoaxillary VeinnounMWEone of several veins connecting intercostal veins with the lateral thoracic vein or the thoracoepigastric veinverifiedMay 18, 2026
Costochondritisnouninflammation at the junction of a rib and its cartilageverifiedMay 18, 2026
Costume DesignernounMWEsomeone who designs or supplies costumes for a play, film, or masqueradeverifiedMay 18, 2026
Costumernounsomeone who designs or supplies costumes, as for a play or masqueradeverifiedMay 18, 2026
Costumiernounsomeone who designs or supplies costumes (as for a play or masquerade)verifiedMay 18, 2026
Costus OilnounMWEa yellow volatile essential oil obtained from costusrootverifiedMay 18, 2026
Costusrootnounannual herb of the eastern Himalayas (Kashmir) having purple florets and a fragrant root that yields a volatile oil used in perfumery and for preserving fursverifiedMay 18, 2026
Cotnouna small bed that folds up for storage or transportverifiedMay 18, 2026
Cot DeathnounMWEsudden and unexpected death of an apparently healthy infant during sleepverifiedMay 18, 2026
Cotannounratio of the adjacent to the opposite side of a right-angled triangleverifiedMay 18, 2026
Cotangentnounratio of the adjacent to the opposite side of a right-angled triangleverifiedMay 18, 2026
Cotenouna small shelter for domestic animals (as sheep or pigeons)verifiedMay 18, 2026
Cotenantnounone of two or more tenants holding title to the same propertyverifiedMay 18, 2026
Coterienounan exclusive circle of people with a common purposeverifiedMay 18, 2026
Cothromboplastinnouna coagulation factor formed in the kidney under the influence of vitamin KverifiedMay 18, 2026
Cotilionnouna lively dance originating in France in the 18th centuryverifiedMay 18, 2026
Cotillionnouna lively dance originating in France in the 18th centuryverifiedMay 18, 2026
Cotinganounpasserine bird of New World tropicsverifiedMay 18, 2026
Cotoneasternounany shrub of the genus Cotoneaster: erect or creeping shrubs having richly colored autumn foliage and many small white to pinkish flowers followed by tiny red or black fruitsverifiedMay 18, 2026
Cottagenouna small house with a single storyverifiedMay 18, 2026
Cottage CheesenounMWEmild white cheese made from curds of soured skim milkverifiedMay 18, 2026
Cottage DwellernounMWEsomeone who lives in a cottageverifiedMay 18, 2026
Cottage IndustrynounMWEsmall-scale industry that can be carried on at home by family members using their own equipmentverifiedMay 18, 2026
Cottage PienounMWEa dish of minced meat topped with mashed potatoesverifiedMay 18, 2026
Cottage PinknounMWEEuropean pink cultivated for its very fragrant pink or rosy flowersverifiedMay 18, 2026
Cottage TentnounMWEa tent providing shelter for a familyverifiedMay 18, 2026
Cottage TulipnounMWEany of several long-stemmed tulips that flower in MayverifiedMay 18, 2026
Cottagernounsomeone who lives in a cottageverifiedMay 18, 2026
Cottarnounfastener consisting of a wedge or pin inserted through a slot to hold two other pieces togetherverifiedMay 18, 2026
Cotternounfastener consisting of a wedge or pin inserted through a slot to hold two other pieces togetherverifiedMay 18, 2026
Cotter PinnounMWEa cotter consisting of a split pin that is secured by splitting the ends apart after passing them through a holeverifiedMay 18, 2026
Cottiernouna medieval English villeinverifiedMay 18, 2026
Cotton BallnounMWEa fungus disease of cranberriesverifiedMay 18, 2026
Cotton BollwormnounMWElarva of a noctuid mothverifiedMay 18, 2026
Cotton CakenounMWEthe solid matter remaining after oil has been pressed from cottonseedsverifiedMay 18, 2026
Cotton CandynounMWEa candy made by spinning sugar that has been boiled to a high temperatureverifiedMay 18, 2026
Cotton FibernounMWEsoft silky fibers from cotton plants in their raw stateverifiedMay 18, 2026
Cotton FlannelnounMWEa stout cotton fabric with nap on only one sideverifiedMay 18, 2026
Cotton GinnounMWEa machine that separates the seeds from raw cotton fibersverifiedMay 18, 2026
Cotton GrassnounMWEany sedge of the genus EriophorumverifiedMay 18, 2026
Cotton MillnounMWEa textile mill for making cotton textilesverifiedMay 18, 2026
Cotton MousenounMWElarge dark mouse of southeastern United StatesverifiedMay 18, 2026
Cotton PlantnounMWEerect bushy mallow plant or small tree bearing bolls containing seeds with many long hairy fibersverifiedMay 18, 2026
Cotton RatnounMWEdestructive long-haired burrowing rat of southern North America and Central AmericaverifiedMay 18, 2026
Cotton RosenounMWEany plant of the genus Filago having capitate clusters of small woolly flower headsverifiedMay 18, 2026
Cotton RushnounMWEany sedge of the genus EriophorumverifiedMay 18, 2026
Cotton StainernounMWEa true bug: bug that damages and stains the lint of developing cottonverifiedMay 18, 2026
Cotton StrainnounMWEfeeds primarily on cottonverifiedMay 18, 2026
Cotton ThistlenounMWEbiennial Eurasian white hairy thistle having pale purple flowersverifiedMay 18, 2026
Cotton WoolnounMWEsoft silky fibers from cotton plants in their raw stateverifiedMay 18, 2026
Cotton-Seed TreenounMWEa shrub of salt marshes of eastern and south central North America and West IndiesverifiedMay 18, 2026
Cottonmouthnounvenomous semiaquatic snake of swamps in southern United StatesverifiedMay 18, 2026
Cottonmouth MoccasinnounMWEvenomous semiaquatic snake of swamps in southern United StatesverifiedMay 18, 2026
Cottonseednounseed of cotton plantsverifiedMay 18, 2026
Cottonseed CakenounMWEthe solid matter remaining after oil has been pressed from cottonseedsverifiedMay 18, 2026
Cottonseed OilnounMWEedible oil pressed from cottonseedsverifiedMay 18, 2026
Cottontailnouncommon small rabbit of North America having greyish or brownish fur and a tail with a white undersideverifiedMay 18, 2026
Cottontail RabbitnounMWEcommon small rabbit of North America having greyish or brownish fur and a tail with a white undersideverifiedMay 18, 2026
Cottonweednounany of various plants of the genus Froelichia found in sandy soils and on rocky slopes in warmer regions of AmericaverifiedMay 18, 2026
Cottonwicknounof warm Atlantic watersverifiedMay 18, 2026
Cottonwoodnounany of several North American trees of the genus Populus having a tuft of cottony hairs on the seedverifiedMay 18, 2026
Cotyledonnounembryonic leaf in seed-bearing plantsverifiedMay 18, 2026
Cotyloid CavitynounMWEthe cup-shaped hollow in the hipbone into which the head of the femur fits to form a ball-and-socket jointverifiedMay 18, 2026
Cotyloid JointnounMWEa freely moving joint in which a sphere on the head of one bone fits into a rounded cavity in the other boneverifiedMay 18, 2026
CoucalnounOld World ground-living cuckoo having a long dagger-like hind clawverifiedMay 18, 2026
Couch GrassnounMWEEuropean grass spreading rapidly by creeping rhizomesverifiedMay 18, 2026
Couch PotatonounMWEan idler who spends much time on a couch (usually watching television)verifiedMay 18, 2026
Couchettenouna compartment on a European passenger trainverifiedMay 18, 2026