17-letter words containing r, t, c
- chloracetophenone — chloroacetophenone.
- chloroacetic acid — a colourless crystalline soluble strong acid prepared by chlorinating acetic acid and used as an intermediate in the manufacture of many chemicals; monochloracetic acid. Formula: CH2ClCOOH
- chloronaphthalene — either of two isomeric naphthalene compounds containing one chlorine atom.
- chlortetracycline — an antibiotic used in treating many bacterial and rickettsial infections: obtained from the bacterium Streptomyces aureofaciens. Formula: C22H23ClN2O8
- chocolate soldier — a person who mistakenly believes that he or she is very powerful, important, or impressive
- christian science — Christian Science is a type of Christianity which emphasizes the use of prayer to cure illness.
- christmas cracker — a decorated cardboard tube that emits a bang when pulled apart, releasing a toy, a joke, or a paper hat.
- christmas disease — a relatively mild type of haemophilia, caused by lack of a protein (Christmas factor) implicated in the process of blood clotting
- christmas present — a present given at Christmas time, typically on Christmas Day
- christmas pudding — Christmas pudding is a special pudding that is eaten at Christmas.
- chromolithographs — Plural form of chromolithograph.
- chromolithography — the process of making coloured prints by lithography
- church triumphant — those Christians in heaven who have triumphed over evil and the enemies of Christ.
- churchyard beetle — a blackish nocturnal ground beetle, Blaps mucronata, found in cellars and similar places
- cigarette lighter — A cigarette lighter is a device which produces a small flame when you press a switch and which you use to light a cigarette or cigar.
- cigarette machine — a vending machine from which cigarettes can be purchased
- circassian walnut — the hard, heavy, brown or purplish wood of the English walnut
- circle the wagons — to take defensive action; prepare for an attack: from arranging a wagon train in a circular formation
- circuit switching — (communications) Communication via a single dedicated path between the sender and receiver. The telephone system is an example of a circuit switched network. The term connection-oriented is used in packet-based networks in contrast to connectionless communication or packet switching.
- circular function — trigonometric function (def 1).
- circular triangle — a triangle in which each side is the arc of a circle
- circular velocity — the velocity at which a body must move in order to maintain an orbit at the outer edge of the earth's atmosphere.
- circumlocutionary — a roundabout or indirect way of speaking; the use of more words than necessary to express an idea.
- circumscriptively — In a circumscriptive manner.
- circumstantiality — the quality of being circumstantial
- circumstantiating — Present participle of circumstantiate.
- circumterrestrial — surrounding or revolving about the earth.
- cistern barometer — a mercury barometer in which the lower mercury surface has a greater area than the upper.
- citizen's charter — (formerly, in Britain) a government document setting out standards of service for public and private sector bodies, such as schools, hospitals, railway companies, water and energy suppliers, etc
- citric acid cycle — Krebs cycle.
- city of gibraltar — a city on the Rock of Gibraltar, a limestone promontory at the tip of S Spain: settled by Moors in 711 and taken by Spain in 1462; ceded to Britain in 1713; a British crown colony (1830–1969), still politically associated with Britain; a naval and air base of strategic importance. Pop: 29 111 (2013 est). Area: 6.5 sq km (2.5 sq miles)
- civil libertarian — a person who actively supports or works for the protection or expansion of civil liberties.
- civil partnership — A civil partnership is a legal relationship between two people of the same sex that is similar to marriage.
- clairaut equation — a differential equation of the form y = xy prime; + f (y prime;).
- clare boothe luce — Clare Boothe, 1903–87, U.S. writer, politician, and diplomat.
- clear box testing — white box testing
- clicks and mortar — making use of traditional trading methods in conjunction with internet trading
- clicks-and-mortar — pertaining to or denoting a company that does business on the Internet and in traditional stores or offices.
- clipperton island — an uninhabited atoll in the E Pacific SW of Mexico, under French administration. Area: 6 sq km (2.3 sq miles)
- close corporation — a small private limited company
- close parenthesis — right parenthesis
- close the door on — rule out, exclude
- club subscription — an amount of money that someone pays regularly in order to belong to a club
- coal-tar creosote — impure phenol or carbolic acid, distinct from the creosote of wood tar.
- coarse-grain salt — salt with a much larger grain size than table salt
- coastguard vessel — a ship used by the coastguard
- cocktail waitress — a woman who serves in a bar or cocktail lounge
- cognitive therapy — a form of psychotherapy in which the patient is encouraged to change the way he or sees the world and himself or herself: used particularly to treat depression
- coin of the realm — legal tender.
- coitus reservatus — the deliberate delaying or avoidance of orgasm during intercourse