17-letter words containing l, u, c, r
- calcium carbonate — a white crystalline salt occurring in limestone, chalk, marble, calcite, coral, and pearl: used in the production of lime and cement. Formula: CaCO3
- calcium hydroxide — a white crystalline slightly soluble alkali with many uses, esp in cement, water softening, and the neutralization of acid soils. Formula: Ca(OH)2
- california laurel — a Pacific coast shrub or tree (Umbellularia californica) of the laurel family, having aromatic evergreen leaves and hard wood; Oregon myrtle: a source of bay leaves
- california nutmeg — a tall, pungently aromatic California evergreen tree, Torreya californica, of the yew family, having a fissured, gray-brown bark and small, purple-streaked, green fruit.
- calorie-conscious — aware of the calorie content of one's diet
- camberwell beauty — a nymphalid butterfly, Nymphalis antiopa, of temperate regions, having dark purple wings with cream-yellow borders
- capital structure — the way that a company finances its assets through a combination of equity, debt etc
- carbon disulphide — a colourless slightly soluble volatile flammable poisonous liquid commonly having a disagreeable odour due to the presence of impurities: used as an organic solvent and in the manufacture of rayon and carbon tetrachloride. Formula: CS2
- carlos de austria — Don [dawn] /dɔn/ (Show IPA), 1545–68, eldest son of Philip II of Spain: died during imprisonment for conspiracy against his father.
- castor and pollux — the twin sons of Leda: Pollux was fathered by Zeus, Castor by the mortal Tyndareus. After Castor's death, Pollux spent half his days with his half-brother in Hades and half with the gods in Olympus
- causality paradox — the hypothetical cause-and-effect of time travel and making changes in the past that would affect current actions.
- celestial equator — the great circle lying on the celestial sphere, the plane of which is perpendicular to the line joining the north and south celestial poles
- cellular automata — cellular automaton
- cellulose nitrate — a compound made by treating cellulose with nitric and sulphuric acids, used in plastics, lacquers, and explosives: a nitrogen-containing ester of cellulose
- cellulose varnish — a varnish made from cellulose nitrate, used as a protective sealing film
- centrifugal brake — a safety mechanism on a hoist, crane, etc, that consists of revolving brake shoes that are driven outwards by centrifugal force into contact with a fixed brake drum when the rope drum revolves at excessive speed
- centrifugal force — In physics, centrifugal force is the force that makes objects move outwards when they are spinning around something or travelling in a curve.
- châlons-sur-marne — city in NE France, on the Marne River: scene of defeat ( a.d. 451) of Attila by the Romans: pop. 50,000
- charles de gaulle — Charles André Joseph Marie [chahrlz ahn-drey joh-zuh f muh-ree;; French sharl ahn-drey zhoh-zef ma-ree] /tʃɑrlz ˈɑn dreɪ ˈdʒoʊ zəf məˈri;; French ʃarl ɑ̃ˈdreɪ ʒoʊˈzɛf maˈri/ (Show IPA), 1890–1970, French general and statesman: president 1959–69.
- chiltern hundreds — (in Britain) short for Stewardship of the Chiltern Hundreds; a nominal office that an MP applies for in order to resign his seat
- church of england — The Church of England is the main church in England. It has the Queen as its head and it does not recognize the authority of the Pope.
- churchyard beetle — a blackish nocturnal ground beetle, Blaps mucronata, found in cellars and similar places
- circassian walnut — the hard, heavy, brown or purplish wood of the English walnut
- 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
- circumterrestrial — surrounding or revolving about the earth.
- ciudad del carmen — a city in SE Mexico, on the Gulf of Campeche.
- 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.
- club subscription — an amount of money that someone pays regularly in order to belong to a club
- clumber (spaniel) — a short-legged spaniel with a heavy body and a thick coat of straight, white hair marked with yellow or orange
- coastguard vessel — a ship used by the coastguard
- coldstream guards — a guard regiment of the English royal household: formed in Coldstream, Scotland, 1659–60, and instrumental in restoring the English monarchy under Charles II.
- coliform bacillus — any of several bacilli, especially Escherichia coli and members of the genus Aerobacter, found as commensals in the large intestine of humans and certain other animals, the presence of which in water indicates fecal pollution.
- collegiate church — a church that has an endowed chapter of canons and prebendaries attached to it but that is not a cathedral
- color temperature — a temperature defined in terms of the temperature of a black body at which it emits light of a specified spectral distribution: used to specify the color of a light source.
- colour photograph — a photograph that is developed and printed in colour
- 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 subcarrier — a component of a colour television signal on which is modulated the colour or chrominance information
- colour supplement — A colour supplement is a colour magazine which is one of the sections of a newspaper, especially at weekends.
- 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.
- communal marriage — group marriage.
- commuter airplane — air taxi.
- complete fracture — a bone fracture in which the bone is split completely across.
- compound interval — an interval that is greater than an octave, as a ninth or a thirteenth.