16-letter words containing a, c, u, i
- christmas cactus — a Brazilian cactus, Schlumbergera (formerly Zygocactus) truncatus, widely cultivated as an ornamental for its showy red flowers
- chromatic number — (mathematics) The smallest number of colours necessary to colour the nodes of a graph so that no two adjacent nodes have the same colour. See also: four colour map theorem.
- chromium plating — plating, often for decorative effect, made of chromium
- chronic glaucoma — Ophthalmology. abnormally high fluid pressure in the eye, most commonly caused either by blockage of the channel through which aqueous humor drains (open-angle glaucoma or chronic glaucoma) or by pressure of the iris against the lens, which traps the aqueous humor (angle-closure glaucoma or acute glaucoma)
- churidar pyjamas — long tight-fitting trousers, worn by Indian men and women
- chuvash republic — a constituent republic of W central Russia, in the middle Volga valley: generally low-lying with undulating plains and large areas of forest. Capital: Cheboksary. Pop: 1 313 900 (2002). Area: 18 300 sq km (7064 sq miles)
- circuit analyzer — multimeter.
- circuit calculus — (CIRCAL) A process algebra used to model and verify the design correctness of concurrent systems such as digital logic.
- circuit training — Circuit training is a type of physical training in which you do a series of different exercises, each for a few minutes.
- circular measure — the measurement of an angle in radians
- circular sailing — a method of navigation in which the curvature of the earth is taken into consideration.
- circumambulating — Present participle of circumambulate.
- circumambulation — The act of walking around something in a circle, especially for a ritual purpose.
- circumlocutional — Of or relating to circumlocution : circumlocutionary.
- circumnavigating — Present participle of circumnavigate.
- circumnavigation — to sail or fly around; make the circuit of by navigation: to circumnavigate the earth.
- circumnavigatory — Pertaining to circumnavigation.
- circumstantially — of pertaining to, or derived from circumstances: a circumstantial result.
- circumstantiated — Simple past tense and past participle of circumstantiate.
- circumstantiates — Third-person singular simple present indicative form of circumstantiate.
- clarified butter — butter with the water and milk solids removed, used for cooking at high temperatures without burning
- clbuttic mistake — the humorous effect created by anti-obscenity filters that automatically replace offensive words in online articles with more acceptable variants
- cleaning product — a detergent or other household cleaner
- cleansing tissue — a small piece of absorbent paper, used especially for removing cleansing cream and cosmetics and also serving as a disposable handkerchief.
- cleanup campaign — an organized programme to clean up a place, typically organized at a local or regional level
- cloak-and-suiter — a manufacturer or seller of clothing.
- cloistered vault — a vault having the form of a number of intersecting coves.
- closing argument — In a court case, a lawyer's closing argument is their final speech, in which they give a summary of their case.
- cluster variable — RR Lyrae star.
- cochineal cactus — a treelike cactus, Nopalea cochenillifera, of Mexico and Central America, that is a principal source of food of the cochineal insect.
- cocktail sausage — a small sausage served with drinks
- columbia heights — a city in SE Minnesota, near Minneapolis.
- combination drug — a medication comprised of set dosages of two or more separate drugs.
- command guidance — a method of controlling a missile during flight by transmitting information to it
- commensurability — The quality of being commensurable or commensurate.
- communicableness — The state or quality of being communicable.
- communion sunday — any Sunday on which communion is administered.
- communitarianism — A theory or system of social organization based on small self-governing communities.
- community action — campaigns undertaken by the people living in a particular place
- community charge — (formerly in Britain) a flat-rate charge paid by each adult in a community to his or her local authority in place of rates
- community leader — a leading figure in a community
- commutation-test — the act of substituting one thing for another; substitution; exchange.
- companion volume — a book that complements another on a related subject, usually by the same author
- configurationism — Gestalt psychology
- congeliturbation — the churning, heaving, and thrusting of soil material due to the action of frost.
- conical pendulum — a clock pendulum oscillating in a circle rather than in a straight line.
- consanguineously — In a consanguineous fashion; by blood relationship.
- consenting adult — a male person over the age of sixteen, who may legally engage in homosexual behaviour in private
- consequentialism — the doctrine that an action is right or wrong according as its consequences are good or bad
- consequentialist — the theory that human actions derive their moral worth solely from their outcomes or consequences.