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Glossary · Nouns · C

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TermTypeDefinitionClassificationsUpdated
Climenounthe weather in some location averaged over some long period of timeverifiedMay 18, 2026
Clinchernouna point or fact or remark that settles something conclusivelyverifiedMay 18, 2026
Cling FilmnounMWEa thin plastic film made of saran (trade name Saran Wrap) that sticks to itselfverifiedMay 18, 2026
Clinger-Cohen Act of 1996nounMWEAlso known as Information Technology Management Reform Act. A statute that substantially revised the way that IT resources are managed and procured, including a requirement that each agency design and implement a process for maximizing the value and assessing and managing the risks of IT investments.RequirementRegulatedMay 12, 2026
Clingfishnounvery small (to 3 inches) flattened marine fish with a sucking disc on the abdomen for clinging to rocks etc.verifiedMay 18, 2026
Clingstonenouna stone fruit, especially a peach, whose flesh adheres strongly to the pitverifiedMay 18, 2026
Clinicnounmeeting for diagnosis of problems and instruction or remedial work in a particular activityverifiedMay 18, 2026
Clinical AnatomynounMWEthe practical application of anatomical knowledge to diagnosis and treatmentverifiedMay 18, 2026
Clinical DepressionnounMWEa state of depression and anhedonia so severe as to require clinical interventionverifiedMay 18, 2026
Clinical NeurologynounMWE(neurology) the branch of medicine that deals with the nervous system and its disordersverifiedMay 18, 2026
Clinical PsychologistnounMWEa therapist who deals with mental and emotional disordersverifiedMay 18, 2026
Clinical PsychologynounMWEthe branch of psychology concerned with the treatment of abnormal mentation and behaviorverifiedMay 18, 2026
Clinical TestnounMWEa rigorously controlled test of a new drug or a new invasive medical device on human subjectsverifiedMay 18, 2026
Clinical ThermometernounMWEa mercury thermometer designed to measure the temperature of the human bodyverifiedMay 18, 2026
Clinical TrialnounMWEa rigorously controlled test of a new drug or a new invasive medical device on human subjectsverifiedMay 18, 2026
Cliniciannouna practitioner (of medicine or psychology) who does clinical work instead of laboratory experimentsverifiedMay 18, 2026
Clinidnounmostly small blennioid fishes of coral reefs and seagrass bedsverifiedMay 18, 2026
Clinid FishnounMWEmostly small blennioid fishes of coral reefs and seagrass bedsverifiedMay 18, 2026
Clinker BlocknounMWEa light concrete building block made with cinder aggregateverifiedMay 18, 2026
Clinker BricknounMWEa hard brick used as a paving stoneverifiedMay 18, 2026
Clinocephalismnouna congenital defect in which the top of the head is depressed (concave instead of convex)verifiedMay 18, 2026
Clinocephalynouna congenital defect in which the top of the head is depressed (concave instead of convex)verifiedMay 18, 2026
Clinodactylynouna congenital defect in which one or more toes or fingers are abnormally positionedverifiedMay 18, 2026
Clinometernounan instrument used by surveyors in order to measure an angle of inclination or elevationverifiedMay 18, 2026
Clintonianounany temperate liliaceous plant of the genus Clintonia having broad basal leaves and white or yellowish or purplish flowers followed by blue or black berriesverifiedMay 18, 2026
Clip ArtnounMWEready-made pieces of computerized graphic art that can be used to decorate a documentverifiedMay 18, 2026
Clip ArtistnounMWEa swindler who fleeces the victimverifiedMay 18, 2026
Clip JointnounMWEa place of entertainment where high prices are charged for poor entertainmentverifiedMay 18, 2026
Clip LeadnounMWEa short piece of wire with alligator clips on both endsverifiedMay 18, 2026
Clip-Clopnounthe sound of a horse's hoofs hitting on a hard surfaceverifiedMay 18, 2026
Clipboardnouna small writing board with a clip at the top for holding papersverifiedMay 18, 2026
Clippernoun(electronics) a nonlinear electronic circuit whose output is limited in amplitudeverifiedMay 18, 2026
Clipper ShipnounMWEa fast sailing ship used in former timesverifiedMay 18, 2026
Clippety-Clopnounthe sound of a horse's hoofs hitting on a hard surfaceverifiedMay 18, 2026
Clippingnounan excerpt cut from a newspaper or magazineverifiedMay 18, 2026
Cliquenounan exclusive circle of people with a common purposeverifiedMay 18, 2026
Cliquishnessnountendency to associate with only a select groupverifiedMay 18, 2026
Clishmaclavernouncasual conversation or general gossipverifiedMay 18, 2026
Clitnouna female sexual organ homologous to the penisverifiedMay 18, 2026
Clitoral VeinnounMWEveins that serve the clitorisverifiedMay 18, 2026
Clitoridectomynounexcision of the clitorisverifiedMay 18, 2026
Clitorisnouna female sexual organ homologous to the penisverifiedMay 18, 2026
Cliversnounannual having the stem beset with curved pricklesverifiedMay 18, 2026
Cloacanoun(zoology) the cavity (in birds, reptiles, amphibians, most fish, and monotremes but not mammals) at the end of the digestive tract into which the intestinal, genital, and urinary tracts openverifiedMay 18, 2026
Cloakmakernounsomeone whose occupation is making or repairing fur garmentsverifiedMay 18, 2026
Cloakroomnouna room where coats and other articles can be left temporarilyverifiedMay 18, 2026
Clochenouna low transparent cover put over young plants to protect them from coldverifiedMay 18, 2026
Clock DialnounMWEthe face of a clock showing hours and minutes of the dayverifiedMay 18, 2026
Clock FacenounMWEthe face of a clock showing hours and minutes of the dayverifiedMay 18, 2026
Clock GolfnounMWEa form of golf in which you putt from positions arranged on the circumference of a circle around the holeverifiedMay 18, 2026
Clock PendulumnounMWEa physical pendulum used to regulate a clockwork mechanismverifiedMay 18, 2026
Clock RadionounMWEa radio that includes a clock that can be set to turn it on automaticallyverifiedMay 18, 2026
Clock TimenounMWEa reading of a point in time as given by a clockverifiedMay 18, 2026
Clock TowernounMWEa tower with a large clock visible high up on an outside faceverifiedMay 18, 2026
Clock WatchernounMWEa worker preoccupied with the arrival of quitting timeverifiedMay 18, 2026
Clock-Watchingnounpaying excessive attention to the clock (in anticipation of stopping work)verifiedMay 18, 2026
Clockingnounthe time taken to traverse a measured courseverifiedMay 18, 2026
Clockmakernounsomeone whose occupation is making or repairing clocks and watchesverifiedMay 18, 2026
Clocksmithnounsomeone whose occupation is making or repairing clocks and watchesverifiedMay 18, 2026
Clockwise RotationnounMWErotation to the rightverifiedMay 18, 2026
Clockworknounany mechanism of geared wheels that is driven by a coiled springverifiedMay 18, 2026
Clockwork UniversenounMWEthe view that the universe resembles a clock built by God and ticking along according to Newtonian mechanicsverifiedMay 18, 2026
Clodnounan awkward stupid personverifiedMay 18, 2026
Clodhoppernouna thick and heavy shoeverifiedMay 18, 2026
Clofibratenouna drug (trade name Atromid-S) that reduces lipids in the blood serumverifiedMay 18, 2026
Clog DancenounMWEa dance performed while wearing shoes with wooden solesverifiedMay 18, 2026
Clog DancernounMWEsomeone who does clog dancingverifiedMay 18, 2026
Clog DancingnounMWEa dance performed while wearing shoes with wooden solesverifiedMay 18, 2026
Clomiphene CitratenounMWEa fertility drug (trade name Clomid) that is used to stimulate ovulation and that has been associated with multiple birthsverifiedMay 18, 2026
Clomipraminenouna tricyclic antidepressant drugverifiedMay 18, 2026
Clonnouna group of genetically identical cells or organisms derived from a single cell or individual by some kind of asexual reproductionverifiedMay 18, 2026
Clonidinenounan antihypertensive that can be administered orally or via transdermal patches; trade name CatapresverifiedMay 18, 2026
Cloningnouna general term for the research activity that creates a copy of some biological entity (a gene or organism or cell)verifiedMay 18, 2026
Clonusnounconvulsion characterized by alternating contractions and relaxationsverifiedMay 18, 2026
Clopidogrel BisulfatenounMWEa blood thinner (trade name Plavix) approved for the treatment of mild heart attacksverifiedMay 18, 2026
Cloppingnounthe sound of a horse's hoofs hitting on a hard surfaceverifiedMay 18, 2026
Close CallnounMWEsomething achieved (or escaped) by a narrow marginverifiedMay 18, 2026
Close CorporationnounMWEa corporation owned by a few peopleverifiedMay 18, 2026
Close OrdernounMWEa military formation for drill or marchingverifiedMay 18, 2026
Close QuartersnounMWEa situation of being uncomfortably close to someone or somethingverifiedMay 18, 2026
Close ShavenounMWEsomething achieved (or escaped) by a narrow marginverifiedMay 18, 2026
Close SupportnounMWEclose-in firing by one unit against an enemy engaged by another unitverifiedMay 18, 2026
Close Supporting FirenounMWEfire on enemy troops or weapons or positions that are near the supported unit and are the most immediate and serious threat to itverifiedMay 18, 2026
Close-Order DrillnounMWE(military) military drill of troops in standard marching (shoulder-to-shoulder)verifiedMay 18, 2026
Close-Quarter FightingnounMWEhand-to-hand fighting at close quartersverifiedMay 18, 2026
Closed BooknounMWEsomething that baffles understanding and cannot be explainedverifiedMay 18, 2026
Closed ChainnounMWE(chemistry) a chain of atoms in a molecule that forms a closed loopverifiedMay 18, 2026
Closed CircuitnounMWEa complete electrical circuit around which current flows or a signal circulatesverifiedMay 18, 2026
Closed CorporationnounMWEa corporation owned by a few peopleverifiedMay 18, 2026
Closed CoupletnounMWEa rhymed couplet that forms a complete syntactic unitverifiedMay 18, 2026
Closed CurvenounMWEa curve (such as a circle) having no endpointsverifiedMay 18, 2026
Closed FracturenounMWEan uncomplicated fracture in which the broken bones to not pierce the skinverifiedMay 18, 2026
Closed GentiannounMWEgentian of eastern North America having tubular blue or white flowers that open little if at allverifiedMay 18, 2026
Closed IntervalnounMWEan interval that includes its endpointsverifiedMay 18, 2026
Closed LoopnounMWEa control system with a feedback loop that is activeverifiedMay 18, 2026
Closed PrimarynounMWEa primary in which only registered members of a particular political party can voteverifiedMay 18, 2026
Closed Security EnvironmentnounMWEEnvironment providing sufficient assurance that applications and equipment are protected against the introduction of malicious logic during an information system life cycle. Closed security is based upon a system's developers, operators, and maintenance personnel having sufficient clearances, authorization, and configuration control.SystemRegulatedCUIMay 12, 2026
Closed SessionnounMWEa session, usually of a legislative body, that is closed to the publicverifiedMay 18, 2026
Closed ShopnounMWEa company that hires only union membersverifiedMay 18, 2026
Closed StoragenounMWEStorage of classified information within an accredited facility, in General Services Administration-approved secure containers, while the facility is unoccupied by authorized personnel.ControlRegulatedCUIMay 9, 2026