15-letter words containing a, c, r, o, t
- circularisation — Alternative spelling of circularization.
- circularization — to circulate (a letter, memorandum, etc.).
- circumnavigator — A person who circumnavigates; that is, sails around the world.
- circumvallation — surrounded by or as if by a rampart.
- ciudad trujillo — former name (1936–61) of Santo Domingo.
- ciudad victoria — a city in E central Mexico, capital of Tamaulipas state. Pop: 285 000 (2005 est)
- claustrophobics — Plural form of claustrophobic.
- cleptoparasites — Plural form of cleptoparasite.
- climate control — air conditioning in a building or vehicle
- climb indicator — an instrument that shows the rate of ascent or descent of an aircraft, operating on a differential pressure principle.
- closed fracture — simple fracture.
- closed interval — an interval on the real line including its end points, as [0, 1], the set of reals between and including 0 and 1
- closed traverse — a traverse ending at its point of origin.
- clotting factor — any one of a group of substances, including factor VIII, the presence of which in the blood is essential for blood clotting to occur
- coast artillery — artillery used for defending coastal areas.
- cockfight chair — a chair designed to be sat on backward, having a bell seat and a crest rail that serves as an armrest.
- cocktail shaker — a container in which cocktails are mixed
- codetermination — joint participation of management and employees or employees' trade union representatives in some decisions
- cognitive radio — a radio that can automatically alter frequency, power, modulation, etc, according to where it is located
- cold-water flat — (formerly) an apartment provided with only cold running water, often in a building with no central heating.
- coldwater-river — a river in NW Mississippi, flowing S to the Tallahatchie River. 220 miles (354 km) long.
- coleman lantern — a gasoline lantern that gives a bright light, used by campers
- collaboratively — in the manner of working with others on a joint project
- collective farm — (chiefly in Communist countries) a farm or group of farms managed and owned, through the state, by the community
- collective mark — a trademark or service mark used by the members of a cooperative, a union, or other collective association to identify themselves as members.
- colorado beetle — a black-and-yellow beetle, Leptinotarsa decemlineata, that is a serious pest of potatoes, feeding on the leaves: family Chrysomelidae
- colorado desert — an arid region of SE California and NW Mexico, west of the Colorado River. Area: over 5000 sq km (2000 sq miles)
- colour contrast — the change in the appearance of a colour surrounded by another colour; for example, grey looks bluish if surrounded by yellow
- colour sergeant — a sergeant who carries the regimental, battalion, or national colours, as in a colour guard
- colouristically — in a colouristic manner
- colourpoint cat — a cat with increased pigmentation of cooler points of the body, such as ears, feet, tail, nose, and scrotum (in males)
- combat neurosis — battle fatigue.
- combat trousers — Combat trousers are large, loose trousers with lots of pockets.
- combinatorially — in a combinatorial manner
- comfort blanket — a blanket that a young child is very attached to
- comfort station — a public lavatory and rest room
- comfortableness — (of clothing, furniture, etc.) producing or affording physical comfort, support, or ease: a comfortable chair; comfortable shoes.
- comfortably off — If someone is comfortably off, they have enough money to be able to live without financial problems.
- comma butterfly — an orange-brown European vanessid butterfly, Polygonia c-album, with a white comma-shaped mark on the underside of each hind wing
- commiseratingly — in a manner expressing commiseration
- commit to paper — to write down; record
- committal order — the document that commits someone to prison
- commodity trade — trade in raw materials and food
- common disaster — the death of an insured party and a beneficiary occurring at the same time in the same accident.
- common entrance — (in Britain) an entrance examination for a public school, usually taken at the age of 13
- common fraction — a fraction whose numerator and denominator are both whole numbers
- communist party — (in non-Communist countries) a political party advocating Communism
- comparativeness — of or relating to comparison.
- comparison test — a comparison of particular qualities or traits in two or more things in order to get a measurable assessment
- competition car — a car that has been modified to compete in racing