15-letter words containing t, r, o, c
- check protector — checkwriter.
- chelsea tractor — a four-by-four
- chemoattractant — a chemical substance that provokes chemotaxis, esp one that causes a bacterium to move in the direction in which its concentration is increasing
- chemoautotrophs — Plural form of chemoautotroph.
- chemoautotrophy — the process of deriving energy through oxidizing inorganic chemical compounds, as opposed to photosynthesis
- chemolithotroph — Chemoautotroph.
- chemoprevention — the prevention of disease, esp cancer, by means of chemical agents
- chemopsychiatry — the study and application of chemical substances in psychiatry
- chemosterilants — Plural form of chemosterilant.
- chest protector — a protective pad worn over the chest by a catcher or umpire to shield the body from foul tips.
- chicken lobster — a young lobster weighing 1 pound (0.4 kg) or less.
- chief inspector — an officer of high rank in British police forces
- chiropterophily — Pollination by bats.
- chloral hydrate — a colourless crystalline soluble solid produced by the reaction of chloral with water and used as a sedative and hypnotic; 2,2,2-trichloro-1,1-ethanediol. Formula: CCl3CH(OH)2
- chocolate brown — a dark brown
- cholesterolemia — the presence of an abnormal amount of cholesterol in the blood.
- chondroskeleton — the cartilaginous part of the skeleton of vertebrates
- 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.
- chorioallantoic — relating to the chorioallantois
- chorioallantois — the membrane of a fetus that is formed by the merging of the allantois and the chorion
- 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
- chronobiologist — A person who is involved in chronobiology.
- cigarette smoke — the acrid smoke produced by cigarettes being smoked
- cinder concrete — concrete having small coal clinkers as an aggregate.
- 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.
- circularisation — Alternative spelling of circularization.
- circularization — to circulate (a letter, memorandum, etc.).
- 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)
- 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.