19-letter words containing i, a, n
- catherine the great — (Sophia Augusta of Anhalt-Zerbst"Catherine the Great") 1729–96, empress of Russia 1762–96.
- cathodic protection — a technique for protecting metal structures, such as steel ships and pipelines, from electrolytic corrosion by making the structure the cathode in a cell, either by applying an electromotive force directly or by putting it into contact with a more electropositive metal
- cathodoluminescence — luminescence caused by irradiation with electrons (cathode rays)
- cauchy's inequality — Schwarz inequality (def 1).
- celestial longitude — the angular distance measured eastwards from the vernal equinox to the intersection of the ecliptic with the great circle passing through a celestial body and the poles of the ecliptic
- celestial mechanics — the study of the motion of celestial bodies under the influence of gravitational fields
- central reservation — The central reservation is the strip of ground, often covered with grass, that separates the two sides of a major road.
- centrifugal casting — casting that utilizes centrifugal force within a spinning mold to force the metal against the walls.
- ceramic engineering — the branch of engineering concerned with the development and production of ceramics.
- cerebrospinal fluid — the clear colourless fluid in the spaces inside and around the spinal cord and brain
- ch'in shih huang ti — Shih Huang Ti.
- chain-reacting pile — nuclear reactor
- champagne lifestyle — a lifestyle involving the enjoyment of luxuries and expensive pleasures
- champagne socialist — a professed socialist who enjoys an extravagant lifestyle
- champigny-sur-marne — a suburb of Paris, on the River Marne. Pop: 75 556 (2006)
- champion of england — a hereditary official at British coronations, representing the king (King's Champion) or the queen (Queen's Champion) who is being crowned, and having originally the function of challenging to mortal combat any person disputing the right of the new sovereign to rule.
- chandrasekhar limit — the upper limit to the mass of a white dwarf, equal to 1.44 solar masses. A star having a mass above this limit will continue to collapse to form a neutron star
- chartered librarian — (in Britain) a librarian who has obtained a qualification from the Library Association in addition to a degree or diploma in librarianship
- chassis dynamometer — A chassis dynamometer is a piece of test equipment fitted with rollers for the wheels of a vehicle, that is capable of providing drive input and measuring output such as power and torque at the wheels.
- chemical castration — the use of drugs to reduce libido
- chemical dependency — addiction to drugs or alcohol.
- chemical processing — Chemical processing is a way of making changes to chemical compounds.
- chemical weathering — any of the various weathering processes that cause exposed rock to undergo chemical decomposition, changing the chemical and mineralogical composition of the rock: Oxygen and acids are agents in chemical weathering.
- cherenkov radiation — the electromagnetic radiation produced when a charged particle moves through a medium at a greater velocity than the velocity of light in that medium
- chicken-fried steak — a cheap cut of beefsteak that is fried in batter
- chinese chippendale — a branch of Chippendale style in which Chinese styles and motifs are used
- chinese finger trap — a child's toy, consisting of a small cylinder of woven straw or paper into which the forefingers are placed, one in each end: the harder one pulls, the more securely the fingers are held.
- chinese sacred lily — a Chinese amaryllidaceous plant, Narcissus tazetta orientalis, widely grown as a house plant for its fragrant yellow and white flowers
- chinese tallow tree — tallow tree.
- chloroplatinic acid — a red-brown, crystalline, water-soluble solid, H 2 PtCl 6 ⋅6H 2 O, used chiefly in platinizing glass, metals, and ceramic ware.
- chlorosulfonic acid — a colorless or yellowish, highly corrosive, pungent liquid, HClO 3 S, usually produced by treating sulfur trioxide with hydrogen chloride: used in organic synthesis to introduce the sulfonyl chloride group, =SO 2 Cl.
- christian democracy — the beliefs, principles, practices, or programme of a Christian Democratic party
- christian scientist — a believer in Christian Science; a member of the Church of Christ, Scientist.
- christian socialist — a member of any of certain European political parties advocating a form of social organization based on Christian and socialistic principles.
- christmas pantomime — pantomime (def 5).
- chronological order — the arrangement of things following one after another in time: Put these documents in chronological order.
- cinematographically — a motion-picture projector.
- circular definition — a definition in which the definiendum (the expression being defined) or a variant of it appears in the definiens (the expression that defines it).
- circulating capital — the non-permanent raw materials and operating expenses that are used up to produce other goods or services
- circulating decimal — repeating decimal
- circulating library — a small library circulated in turn to a group of schools or other institutions
- circulation manager — the senior manager responsible for the distribution of a newspaper
- claims investigator — A claims investigator is a person who is employed by an insurance company to obtain information necessary to evaluate a claim.
- claims notification — Claims notification is the process of informing an insurance company that a loss has occurred and that the policyholder intends to ask for money as a result.
- clandestine entrant — a person who hides in or on a vehicle as it enters the United Kingdom with the aim of avoiding immigration controls
- class action (suit) — a legal action brought by one or more persons on behalf of themselves and a much larger group, all of whom have the same grounds for action
- class consciousness — awareness of belonging to a particular social rank or grade
- classical economics — a system or school of economic thought developed by Adam Smith, Jeremy Bentham, Thomas Malthus, and David Ricardo, advocating minimum governmental intervention, free enterprise, and free trade, considering labor the source of wealth and dealing with problems concerning overpopulation.
- classical mechanics — the study of mechanics using Newton's laws rather than quantum theory and relativity
- classroom assistant — a person whose job is to help a schoolteacher in the classroom