15-letter words containing a, c, o
- circularisation — Alternative spelling of circularization.
- circularization — to circulate (a letter, memorandum, etc.).
- circumambagious — in a round-about manner
- circumforaneous — moving around or abroad; roaming from place to place
- circumnavigator — A person who circumnavigates; that is, sails around the world.
- circumvallation — surrounded by or as if by a rampart.
- city councilman — a member of a city council
- city of glasgow — a council area in W central Scotland. Pop: 593 000 (2010 est). Area: 175 sq km (68 sq miles)
- 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)
- civilianization — the conversion from military to civilian status
- clamp down (on) — to become more strict (with)
- clare of assisi — Saint. 1194–1253, Italian nun; founder of the Franciscan Order of Poor Clares. Feast day: Aug 11
- class inclusion — the relation between two classes in which all members of one class are included in the other, as in the proposition “All humans are animals.”.
- class-conscious — Someone who is class-conscious is very aware of the differences between the various classes of people in society, and often has a strong feeling of belonging to a particular class.
- classical logic — (logic) Non-intuitionistic logic.
- classifications — Plural form of classification.
- claustrophobics — Plural form of claustrophobic.
- cleistogamously — in a cleistogamous manner
- cleptoparasites — Plural form of cleptoparasite.
- clerical collar — a stiff white collar with no opening at the front that buttons at the back of the neck; the distinctive mark of the clergy in certain Churches
- 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.
- cloak-and-sword — (of a drama or work of fiction) dealing with characters who wear cloaks and swords; concerned with the customs and romance of the nobility in bygone times.
- 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.
- closed-end loan — A closed-end loan is a loan such as an auto loan, with fixed terms, and where the money is lent all at once and paid back by a particular date.
- 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
- clouded leopard — a feline, Neofelis nebulosa, of SE Asia and Indonesia with a yellowish-brown coat marked with darker spots and blotches
- coachwhip snake — a slender nonvenomous snake, Masticophis flagellum, of the US
- coaling station — a port at which vessels can take on coal
- coast artillery — artillery used for defending coastal areas.
- coast mountains — a mountain range in Canada, on the Pacific coast of British Columbia. Highest peak: Mount Waddington, 4043 m (13 266 ft)
- cockfight chair — a chair designed to be sat on backward, having a bell seat and a crest rail that serves as an armrest.
- cocktail lounge — A cocktail lounge is a room in a hotel, restaurant, or club where you can buy alcoholic drinks.
- cocktail shaker — a container in which cocktails are mixed
- coconut matting — a form of coarse matting made from the fibrous husk of the coconut
- code management — source code management
- codetermination — joint participation of management and employees or employees' trade union representatives in some decisions
- coeliac disease — a chronic intestinal disorder caused by sensitivity to the protein gliadin contained in the gluten of cereals, characterized by distention of the abdomen and frothy and pale foul-smelling stools
- coenzymatically — from a coenzymatic point of view
- coffee granules — instant coffee in the form of grains
- cognitive radio — a radio that can automatically alter frequency, power, modulation, etc, according to where it is located
- coinstantaneity — the act of taking place at exactly the same moment
- coinstantaneous — taking place at exactly the same moment
- 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