17-letter words containing a, c, t, u, l
- calcium gluconate — a white, tasteless, water-soluble powder, CaC 12 H 22 O 14 , used as a dietary supplement to provide calcium.
- calcium phosphate — the insoluble nonacid calcium salt of orthophosphoric acid (phosphoric(V) acid): it occurs in bones and is the main constituent of bone ash. Formula: Ca3(PO4)2
- 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.
- camberwell beauty — a nymphalid butterfly, Nymphalis antiopa, of temperate regions, having dark purple wings with cream-yellow borders
- capital equipment — the equipment that a business buys
- capital structure — the way that a company finances its assets through a combination of equity, debt etc
- 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.
- castilla la nueva — Spanish name of New Castile.
- 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
- catapult-launched — (of aircraft) launched into the air by a device installed in warships
- caudal anesthesia — anesthesia below the pelvis, induced by injecting an anesthetic into the sacral portion of the spinal canal.
- 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 acetate — nonflammable material made by acetylating cellulose: used in the manufacture of film, dopes, lacquers, and artificial fibres
- 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
- 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.
- chemical equation — a representation of a chemical reaction using symbols of the elements to indicate the amount of substance, usually in moles, of each reactant and product
- chocolate biscuit — a biscuit covered with chocolate
- 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.
- circumstantiality — the quality of being circumstantial
- circumterrestrial — surrounding or revolving about the earth.
- 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.
- classical nahuatl — Aztec (def 2).
- classical-nahuatl — a member of a Nahuatl-speaking state in central Mexico that was conquered by Cortés in 1521.
- close punctuation — punctuation in which many commas, full stops, etc, are used
- 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.
- collegiate church — a church that has an endowed chapter of canons and prebendaries attached to it but that is not a cathedral
- colloquialization — The process or result of making colloquial.
- 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
- columnar jointing — (in basaltic igneous rocks) a series of generally hexagonal columns formed by vertical joints as a result of contraction during cooling.
- commuter airplane — air taxi.
- compilation album — a musical recording consisting of works chosen for a particular purpose or theme
- complement clause — a subordinate clause that functions as the subject, direct object, or prepositional object of a verb, as that you like it in I'm surprised that you like it.
- complete fracture — a bone fracture in which the bone is split completely across.
- complex conjugate — the complex number whose imaginary part is the negative of that of a given complex number, the real parts of both numbers being equal
- complex-conjugate — one of a group of conjugate words.
- compound interval — an interval that is greater than an octave, as a ninth or a thirteenth.
- computer language — programming language
- computer literacy — basic, nontechnical knowledge about computers and how to use them; familiarity and experience with computers, software, and computer systems.