15-letter words containing d, r, o, i
- brooklyn bridge — a suspension bridge over the East River, in New York City, connecting Manhattan and Brooklyn: built 1867–84. 5989 feet (1825 meters) long.
- brownfield site — a disused site envisaged for redevelopment
- buffalo soldier — (formerly, especially among American Indians) a black soldier.
- building worker — a labourer, bricklayer, etc who works in the construction industry
- cadmean victory — a victory won with great losses to the victors
- calendarization — the process of calendarizing
- call forwarding — a telephone service that allows incoming calls to be transferred automatically to another number or extension
- calydonian boar — a savage boar sent by Artemis to destroy Calydon, a city in Aetolia, because its king had neglected to sacrifice to her. It was killed by Meleager, the king's son
- camphorated oil — a liniment consisting of camphor and peanut oil, used as a counterirritant
- canadian forces — the official name for the military forces of Canada
- carbazotic acid — picric acid.
- carbon monoxide — Carbon monoxide is a poisonous gas that is produced especially by the engines of vehicles.
- carboxylic acid — any of a class of organic acids containing the carboxyl group
- cardinal flower — a campanulaceous plant, Lobelia cardinalis of E North America, that has brilliant scarlet, pink, or white flowers
- cardinal humour — any of the four bodily fluids (blood, phlegm, choler or yellow bile, melancholy or black bile) formerly thought to determine emotional and physical disposition
- cardinal points — the four main points of the compass: north, south, east, and west
- cardinal vowels — a set of theoretical vowel sounds, based on the shape of the mouth needed to articulate them, that can be used to classify the vowel sounds of any speaker in any language
- cardiopulmonary — of, relating to, or affecting the heart and lungs
- cartesian doubt — willful suspension of all interpretations of experience that are not absolutely certain: used as a method of deriving, by elimination of such uncertainties, axioms upon which to base theories.
- cathedral choir — the choir, traditionally consisting of boys and men, that sings in cathedral services
- cell disruption — Cell disruption is when a biological material becomes smaller to release proteins and enzymes.
- chandler period — the period of the oscillation (Chandler wobble) of the earth's axis, varying between 416 and 433 days.
- children of god — a highly disciplined, fundamentalist Christian sect, active especially in the early 1970s, whose mostly young converts live in communes.
- children's home — care institution for minors
- children's hour — a play (1934) by Lillian Hellman.
- chinless wonder — a person, esp an upper-class one, lacking strength of character
- 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
- cinder concrete — concrete having small coal clinkers as an aggregate.
- 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
- closed universe — (in cosmology) a hypothetical expanding universe that contains sufficient matter to reverse the observed expansion through its gravitational contraction.
- 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
- 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.
- color blindness — inability to distinguish one or several chromatic colors, independent of the capacity for distinguishing light and shade.
- combined forces — the forces of two or more countries, fighting together
- 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
- 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.
- comprehendingly — In an comprehending manner; knowingly.
- compressed slip — (networking) (CSLIP) VanJacobsen TCP header compression. A version of SLIP using compression. CSLIP has no effect on the data portion of the packet and has nothing to do with compression by modem. It does reduce the TCP header from 40 bytes to 7 bytes, a noticeable difference when doing telnet with lots of little packets. CSLIP has no effect on UDP, only TCP.