17-letter words containing t, r, i
- 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.
- 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;).
- 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
- club subscription — an amount of money that someone pays regularly in order to belong to a club
- coarse-grain salt — salt with a much larger grain size than table salt
- 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
- coliform bacteria — a large group of bacteria inhabiting the intestinal tract of humans and animals that may cause disease and whose presence in water is an indicator of faecal pollution
- collaborativeness — Quality of being collaborative.
- collateralization — The act or process of collateralizing.
- collective memory — the shared memories of a group, family, race, etc
- collegiate church — a church that has an endowed chapter of canons and prebendaries attached to it but that is not a cathedral
- colleterial gland — a paired accessory reproductive gland, present in most female insects, secreting a sticky substance that forms either the egg cases or the cement that binds the eggs to a surface
- colloid chemistry — the study of colloids.
- color-coordinated — with all parts or elements related, blended, or matched to a particular color scheme.
- colour separation — the division of a coloured original into cyan, magenta, yellow, and black so that plates may be made for print reproduction. Separation may be achieved by electronic scanning or by photographic techniques using filters to isolate each colour
- colour television — television that broadcasts in real-life colours, as opposed to black and white
- columnar jointing — (in basaltic igneous rocks) a series of generally hexagonal columns formed by vertical joints as a result of contraction during cooling.