14-letter words containing a, d, u
- chequered flag — the black-and-white checked flag traditionally shown to the winner and all finishers at the end of a motor race by a senior race official
- child guidance — the counselling of emotionally disturbed children
- chladni figure — a pattern formed by fine powder placed on a vibrating surface, used to display the positions of nodes and antinodes
- chondrocranium — the cartilaginous structure that, in early development, envelops the brain
- circumagitated — Simple past tense and past participle of circumagitate.
- circumvallated — Simple past tense and past participle of circumvallate.
- ciudad bolivar — a port in E Venezuela, on the Orinoco River: accessible to ocean-going vessels. Pop: 344 000 (2005 est)
- ciudad guayana — an industrial conurbation in E Venezuela, on the River Orinoco: iron and steel processing, gold mining. Pop: 807 000 (2005 est)
- ciudad obregon — a city in W Mexico.
- clairaudiently — in a clairaudient manner
- class schedule — In a school or college, a class schedule is a list that shows the times in the week at which particular subjects are taught. You can also refer to the range of subjects that a student learns or the classes that a teacher teaches as their class schedule.
- claude lorrain — real name Claude Gelée. 1600–82, French painter, esp of idealized landscapes, noted for his subtle depiction of light
- cleaning fluid — a solvent or other solution for removing stains or cleaning particular objects
- clouded magpie — a geometrid moth, Abraxas sylvata, that is paler than the magpie moth
- co-educational — A co-educational school, college, or university is attended by both boys and girls.
- coach-and-four — a coach together with the four horses by which it is drawn.
- coastguardsman — Coast Guard (def 3).
- command module — the cone-shaped module used as the living quarters in an Apollo spacecraft and functioning as the splashdown vehicle
- community card — (in certain card games) a card that every player can use to form a hand in combination with the cards that he or she alone has been dealt
- compound fault — a series of closely spaced faults
- compound ovary — an ovary composed of more than one carpel.
- compound sugar — any sugar that when hydrolyzed yields two or more monosaccharides.
- computer-aided — done or improved by computer
- conceptualised — to form into a concept; make a concept of.
- conceptualized — Simple past tense and past participle of conceptualize.
- conduplication — (of a leaf in the bud) folded lengthwise with the upper face of the blade within.
- conquistadores — one of the Spanish conquerors of Mexico and Peru in the 16th century.
- consuetudinary — customary or traditional.
- contextualised — to put (a linguistic element, an action, etc.) in a context, especially one that is characteristic or appropriate, as for purposes of study.
- contextualized — Simple past tense and past participle of contextualize.
- contradictious — inclined to contradict; contentious
- cotransduction — the simultaneous transfer of multiple genes from one bacterium to another by a single bacteriophage
- counter-demand — to ask for with proper authority; claim as a right: He demanded payment of the debt.
- counterchanged — Exchanged.
- countercharged — Simple past tense and past participle of countercharge.
- countercharmed — Simple past tense and past participle of countercharm.
- counterclaimed — Simple past tense and past participle of counterclaim.
- countermanding — Present participle of countermand.
- countermarched — Simple past tense and past participle of countermarch.
- countershading — (in the coloration of certain animals) a pattern, serving as camouflage, in which dark colours occur on parts of the body exposed to the light and pale colours on parts in the shade
- counterstained — Simple past tense and past participle of counterstain.
- coup de maitre — a masterstroke; stroke of genius
- court cupboard — a wooden stand with two or three tiers, used in the 16th and 17th centuries to display pewter, silver, etc
- crash and burn — to fail; be unsuccessful
- cream-coloured — cream in colour
- credit account — a credit system by means of which customers may obtain goods and services before payment
- crested auklet — any of several small auks of the coasts of the North Pacific, as Aethia cristatella (crested auklet) having a crest of recurved plumes.
- crossing guard — school (crossing) guard
- crutched friar — a member of a mendicant order, suppressed in 1656
- cuban sandwich — a hero sandwich, especially with ham, pork, cheese, and pickles, often grilled.