12-letter words containing a, c, o, u
- calculations — Plural form of calculation.
- call of duty — responsibilities
- calumniation — to make false and malicious statements about; slander.
- calumniators — Plural form of calumniator.
- calumniatory — of, involving, or using calumny; slanderous; defamatory.
- calumniously — in a calumnious manner
- calycoideous — calycoid
- camelopardus — a faint extensive constellation in the N hemisphere close to Ursa Major and Cassiopeia
- camouflaging — Present participle of camouflage.
- canorousness — The quality of being musical.
- cantankerous — Someone who is cantankerous is always finding things to argue or complain about.
- cape buffalo — a large, black, nearly hairless, very fierce buffalo (Syncerus caffer) of South Africa, with horns joined at the bases to form a helmetlike structure
- cape sounion — Cape, a cape in E central Greece, SE of Athens, at the tip of the Attica peninsula, in W Aegean Sea.
- cape-lookout — Cape, a sandy reef in the Outer Banks, off E North Carolina, SW of Cape Hatteras: lighthouse.
- capillaceous — having numerous filaments resembling hairs or threads
- capitulation — the act of capitulating
- capitulatory — the act of capitulating.
- capriciously — subject to, led by, or indicative of a sudden, odd notion or unpredictable change; erratic: He's such a capricious boss I never know how he'll react.
- captiousness — The state of being captious.
- carbon brush — a small block of carbon used to convey current between the stationary and moving parts of an electric generator, motor, etc
- carbon value — an empirical measurement of the tendency of a lubricant to form carbon when in use
- carbonaceous — of, resembling, or containing carbon
- card counter — a casino player who memorizes or records which cards have been played in previous hands in order to calculate the odds on receiving winning cards or combinations from those remaining to be dealt, the practice often being held as illegal.
- carillonneur — a person who plays a carillon
- carnivourous — Misspelling of carnivorous.
- carpophagous — feeding on fruit
- cash account — an account with a brokerage which stipulates that the client pays in full for any transactions, rather than being extended credit
- cash journal — cashbook.
- castor sugar — finely ground or powdered sugar.
- catacoustics — the branch of acoustics dealing with echoes and reflected sounds
- catamountain — any of several wildcats, esp. the leopard or the European wildcat
- cater-cousin — a close friend
- caught short — having a sudden need to urinate or defecate
- cauliflowers — Plural form of cauliflower.
- causationism — the theory of universal causation
- causationist — a person who believes in the theory of universal causation
- caustic soda — Caustic soda is a powerful chemical substance used to make strong soaps and clean drains.
- cautiousness — showing, using, or characterized by caution: a cautious man; To be cautious is often to show wisdom.
- cedrelaceous — resembling or having the characteristics of a citron fruit
- centuriation — the process or act of dividing land into centuries or equal areas undertaken by the Romans
- chaetiferous — having bristles
- changchiakou — Zhangjiakou
- change round — to place in or adopt a different or opposite position
- changearound — the act of changing to a different position
- chapterhouse — the building attached to a cathedral, collegiate church, or religious house in which the chapter meets
- charlesbourg — city in S Quebec, Canada: pop. 71,000
- charnelhouse — Alternative form of charnel house.
- charterhouse — a Carthusian monastery
- chasmogamous — pertaining to or having pollination occur in a fully opened flower.
- chaulmoogras — Plural form of chaulmoogra.