15-letter words containing r, c, o
- chorioallantois — the membrane of a fetus that is formed by the merging of the allantois and the chorion
- choriocarcinoma — a cancer that occurs during pregnancy in the uterus
- chorioretinitis — (medicine) An inflammation of the choroid and retina of the eye.
- christcross-row — the alphabet.
- christmas carol — a joyful hymn or religious song, celebrating the birth of Christ
- chromatic scale — a twelve-note scale including all the semitones of the octave
- chromatographer — A person skilled in chromatography or who operates a chromatograph.
- chromatographic — (analytical chemistry) Of or pertaining to chromatography.
- chromic acetate — a grayish-green, water-soluble powder, Cr(C 2 H 3 O 2) 3 ⋅H 2 O, used chiefly as a mordant in dyeing and printing textiles.
- chromium-plated — having been plated with chromium
- chromosome band — any of the transverse bands that appear on a chromosome after staining. The banding pattern is unique to each type of chromosome, allowing characterization
- chromoxylograph — a coloured print created from printing with wooden blocks
- chronic disease — long-term illness
- chronobiologist — A person who is involved in chronobiology.
- chronologically — arranged in the order of time: a chronological list of events.
- chudskoye ozero — Russian name of Peipus.
- church slavonic — Old Church Slavonic, esp as preserved in the liturgical use of the Orthodox church
- cigarette smoke — the acrid smoke produced by cigarettes being smoked
- ciliary process — one of the folds on the ciliary body, connected with the suspensory ligament of the crystalline lens.
- 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.
- cineangiography — the use of motion-picture recording to trace the passage of dye through blood vessels, for the diagnosis of heart and blood vessel disease
- cinematographed — a motion-picture projector.
- cinematographer — A cinematographer is a person who decides what filming techniques should be used during the shooting of a film.
- cinematographic — a motion-picture projector.
- cinemicrography — the making of a film through the lens of a microscope
- cineradiography — the filming of motion pictures through a fluoroscope or x-ray machine.
- 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
- circumincession — the reciprocal existence within the three members of the Trinity
- circumlocutions — Plural form of circumlocution.
- circumlocutious — Circumlocutional.
- circumnavigator — A person who circumnavigates; that is, sails around the world.
- circumscription — the act of circumscribing or the state of being circumscribed
- circumvallation — surrounded by or as if by a rampart.
- circumvolutions — Plural form of circumvolution.
- city of bristol — a port and industrial city in SW England, mainly in Bristol unitary authority, on the River Avon seven miles from its mouth on the Bristol Channel: a major port, trading with America, in the 17th and 18th centuries; the modern port consists chiefly of docks at Avonmouth and Portishead; noted for the Clifton Suspension Bridge (designed by I. K. Brunel, 1834) over the Avon gorge; Bristol university (1909) and University of the West of England (1992). Pop: 420 556 (2001)
- 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)
- clare of assisi — Saint. 1194–1253, Italian nun; founder of the Franciscan Order of Poor Clares. Feast day: Aug 11
- claustrophobics — Plural form of claustrophobic.
- 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.
- clock frequency — clock rate
- closed fracture — simple fracture.