13-letter words containing a, c, o, u
- changchiak'ou — Zhangjiakou.
- chapter house — A chapter house is the building or set of rooms in the grounds of a cathedral where the members of the clergy hold their meetings.
- charles louis — (Karl Ludwig Johann) 1771–1847, archduke of Austria.
- charnel house — A charnel house is a place where the bodies and bones of dead people are stored.
- chattel house — (esp in Barbados) a movable wooden dwelling, usually set on a foundation of loose stones on rented land
- chemautotroph — an organism, such as a bacterium, that obtains its energy from inorganic reactions using simple compounds, such as ammonia or hydrogen sulphide
- chemosurgical — of or relating to chemosurgery
- chestnut coal — anthracite coal in sizes ranging from 1 3/16 to 1 5/8 inch (3 to 4 cm).
- chiaochou bay — an inlet of the Yellow Sea, in E China, in Shandong province. 20 miles (32 km) long; 15 miles (24 km) wide.
- chiaroscurist — A painter who uses light and shade rather than colour to create the illusion of volume.
- chlorous acid — an unstable acid that is a strong oxidizing agent. Formula: HClO2
- chondromatous — a benign cartilaginous tumor or growth.
- choripetalous — polypetalous
- chrysocarpous — bearing golden-yellow fruit.
- chukka (boot) — an ankle-high bootlike shoe, usually with two or three pairs of eyelets
- chun doo hwan — born 1931, South Korean political leader: president 1980–88.
- cinchonaceous — relating to cinchona
- circuit board — A circuit board is the same as a printed circuit board.
- circumorbital — (anatomy) Around the eye.
- ciudad madero — city in Tamaulipas state, EC Mexico: suburb of Tampico: pop. 160,000
- clair-obscure — chiaroscuro.
- clamorousness — The state or quality of being clamorous.
- clare-obscure — chiaroscuro.
- claustrophobe — a person who suffers from claustrophobia.
- clearinghouse — If an organization acts as a clearinghouse, it collects, sorts, and distributes specialized information.
- cleistogamous — having small, unopened, self-pollinating flowers, usually in addition to the showier flowers
- clistocarpous — Mycology. having cleistothecia.
- cloud chamber — an apparatus for detecting high-energy particles by observing their tracks through a chamber containing a supersaturated vapour. Each particle ionizes molecules along its path and small droplets condense on them to produce a visible track
- co-authorship — the state a coauthor
- co-curricular — related but only complementary to the official curriculum, as a civic or service activity outside the classroom.
- coachbuilders — Plural form of coachbuilder.
- coachbuilding — the manufacture of bodies for cars, buses, and coaches
- coadjutorship — the state of being a coadjutor
- coagulability — The ability to coagulate, of being coagulable.
- coal industry — a branch of commercial enterprise concerned with the discovery and mining of coal
- coal measures — a series of coal-bearing rocks formed in the upper Carboniferous period; the uppermost series of the Carboniferous system
- coalesced sum — (theory) (Or "smash sum") In domain theory, the coalesced sum of domains A and B, A (+) B, contains all the non-bottom elements of both domains, tagged to show which part of the sum they come from, and a new bottom element. D (+) E = { bottom(D(+)E) } U { (0,d) | d in D, d /= bottom(D) } U { (1,e) | e in E, e /= bottom(E) } The bottoms of the constituent domains are coalesced into a single bottom in the sum. This may be generalised to any number of domains. The ordering is bottom(D(+)E) <= v For all v in D(+)E (i,v1) <= (j,v2) iff i = j & v1 <= v2 "<=" is usually written as LaTeX \sqsubseteq and "(+)" as LaTeX \oplus - a "+" in a circle.
- cobaltiferous — containing cobalt
- coccobacillus — a spherelike bacillus.
- cochlear duct — a spiral tube enclosed in the bony canal of the cochlea.
- cocktail hour — the interval before the evening meal during which cocktails and other alcoholic beverages are often served.
- coco language — (language) (Cocol) A language for writing left-attributed LL1 grammars, used as the input language for the Coco LL1 parser generator, which produces Modula-2 table-driven parsers as output. Cocol-2 is a version for the Coco-2 generator. Cocol/R is an improvement over the original Cocol and Cocol-2.
- coconut cream — Also called cream of coconut. a creamy white liquid skimmed from the top of coconut milk that has been made by soaking grated coconut meat in water, used in East Indian cookery, mixed drinks, etc.
- coconut water — the watery, drinkable liquid inside an immature coconut.
- cocultivation — the act of cultivating jointly
- coeducational — A coeducational school, college, or university is attended by both boys and girls.
- coeur d'alene — a member of an Indian people in N Idaho around Coeur d'Alene Lake.
- collar button — the button used to fasten the collar down on a garment
- colleagueship — workplace companionship
- colloquialism — A colloquialism is a colloquial word or phrase.