15-letter words containing a, i, d, o
- celandine poppy — a poppy, Stylophorum diphyllum, of the east-central U.S., having one pair of deeply lobed leaves and yellow flowers.
- chandler period — the period of the oscillation (Chandler wobble) of the earth's axis, varying between 416 and 433 days.
- chenopodiaceous — belonging to the Chenopodiaceae, formerly the goosefoot family, now considered part of the amaranth family of plants.
- child abduction — the crime of removing a child from its rightful home
- chorda tendinea — any of the tendons extending from the papillary muscles to the atrioventricular valves and preventing the valves from moving into the atria during ventricular contraction.
- chromium-plated — having been plated with chromium
- chronic disease — long-term illness
- cinderella book — (publication) "Introduction to Automata Theory, Languages, and Computation", by John Hopcroft and Jeffrey Ullman, (Addison-Wesley, 1979). So called because the cover depicts a girl (putatively Cinderella) sitting in front of a Rube Goldberg device and holding a rope coming out of it. On the back cover, the device is in shambles after she has (inevitably) pulled on the rope. See also book titles.
- cinematographed — a motion-picture projector.
- cineradiography — the filming of motion pictures through a fluoroscope or x-ray machine.
- 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)
- climb indicator — an instrument that shows the rate of ascent or descent of an aircraft, operating on a differential pressure principle.
- 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
- 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
- cognitive radio — a radio that can automatically alter frequency, power, modulation, etc, according to where it is located
- coldwater-river — a river in NW Mississippi, flowing S to the Tallahatchie River. 220 miles (354 km) long.
- collared lizard — any of several species of long-tailed iguanid lizards of the genus Crotaphytus, of central and western U.S. and northern Mexico, usually having a collar of two black bands.
- colonial siding — siding composed of boards with parallel faces laid horizontally so that the upper overlaps the one below.
- commercial code — a telegraphic code designed to convey a message with a minimum number of words and thereby reduce toll costs.
- committal order — the document that commits someone to prison
- commodification — to turn into a commodity; make commercial.
- commoditization — The transformation of something into a commodity.
- 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-isdn-api — Common ISDN Application Programming Interface
- completion date — (in Britain) the date on which the sale of a piece of property is final
- complicatedness — composed of elaborately interconnected parts; complex: complicated apparatus for measuring brain functions.
- compound animal — any animal, such as most hydroids, corals, and bryozoans, composed of a number of individuals produced by budding from a single parent and usually so fused together that no demarcation is clearly distinguishable
- computer dating — the use of computers by dating agencies to match their clients
- comrade in arms — a fellow soldier.
- comrade-in-arms — A comrade-in-arms is someone who has worked for the same cause or purpose as you and has shared the same difficulties and dangers.
- concession road — (esp in Ontario) one of a series of roads separating concessions in a township
- confidence game — A confidence game is the same as a confidence trick.
- confidentiality — spoken, written, acted on, etc., in strict privacy or secrecy; secret: a confidential remark.
- considerateness — showing kindly awareness or regard for another's feelings, circumstances, etc.: a very considerate critic.
- consideratively — in a considerative manner
- contact details — the information required to contact someone, such as an address or telephone number
- contract bridge — the most common variety of bridge, in which the declarer receives points counting towards game and rubber only for tricks he bids as well as makes, any overtricks receiving bonus points
- contradictively — tending or inclined to contradict; involving contradiction; contradictory.
- contradictorily — asserting the contrary or opposite; contradicting; inconsistent; logically opposite: contradictory statements.
- contraindicated — not advisable because of contraindications
- contrast medium — a radiopaque substance, such as barium sulphate, used to increase the contrast of an image in radiography
- coolgardie safe — a cupboard with wetted hessian walls for keeping food cool: used esp in Australia
- coordinate bond — a type of covalent chemical bond in which both the shared electrons are provided by one of the atoms
- cordillera real — a range of the Andes, in Bolivia. Highest peak, Illimani, 21,201 feet (6462 meters).
- corn-leaf aphid — a green aphid, Rhopalosiphum maidis, widely distributed in the U.S.: a pest of corn and other grasses.
- corn-root aphid — an aphid, Anuraphis maidiradicis, that lives as a symbiont in colonies of cornfield ants and feeds on the roots of corn: an agricultural pest.
- corrugated iron — a thin structural sheet made of iron or steel, formed with alternating ridges and troughs