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20-letter words containing l, u, r, c

  • chemolithoautotrophs — Plural form of chemolithoautotroph.
  • chemotherapeutically — By means of chemotherapy.
  • child support agency — the British government agency concerned with the welfare of children
  • child-abuse register — (in Britain) a list of children deemed to be at risk of abuse or injury from their parents or guardians, compiled and held by a local authority, area health authority, or NSPCC Special Unit
  • christopher columbus — Christopher (Sp. Cristóbal Colón; It. Cristoforo Colombo) 1446?–1506, Italian navigator in Spanish service: traditionally considered the discoverer of America 1492.
  • clear air turbulence — turbulent air, not associated with a storm, that affects the flight of aircraft
  • clear-air turbulence — atmospheric turbulence, sometimes severe, occurring in air devoid of clouds or other visible indicators that turbulence might be present. Abbreviation: CAT.
  • clothes manufacturer — a business concern that manufactures clothes
  • colorado blue spruce — blue spruce.
  • colour look-up table — colour palette
  • compensation culture — a culture in which people are very ready to go to law over even relatively minor incidents in the hope of gaining compensation
  • complaints procedure — a prescribed method of lodging a complaint to an institution
  • complementary colour — one of any pair of colours, such as yellow and blue, that give white or grey when mixed in the correct proportions
  • computability theory — (mathematics)   The area of theoretical computer science concerning what problems can be solved by any computer. A function is computable if an algorithm can be implemented which will give the correct output for any valid input. Since computer programs are countable but real numbers are not, it follows that there must exist real numbers that cannot be calculated by any program. Unfortunately, by definition, there isn't an easy way of describing any of them! In fact, there are many tasks (not just calculating real numbers) that computers cannot perform. The most well-known is the halting problem, the busy beaver problem is less famous but just as fascinating.
  • consumer electronics — computers and other electronic devices designed for private individuals as opposed to businesses
  • controlled substance — a drug regulated by the Federal Controlled Substances Acts, including opiates, depressants, stimulants, and hallucinogens
  • convergent evolution — the evolutionary development of a superficial resemblance between unrelated animals that occupy a similar environment, as in the evolution of wings in birds and bats
  • convertible currency — A convertible currency is a currency that can be bought and sold on the open market for other currencies.
  • corpus juris civilis — the body of Roman or civil law consolidated by Justinian in the 6th century ad. It consists of four parts, the Institutes, Digest, Code, and Novels
  • council of ministers — the EU's most important decision-making body
  • council of the reich — the Reichsrat.
  • council-manager plan — (in the US) a system of local government with an elected legislative council and an appointed administrative manager
  • counter-inflationary — designed to reduce inflation
  • counter-intelligence — Counter-intelligence consists of actions that a country takes in order to find out whether another country is spying on it and to prevent it from doing so.
  • counterproliferation — Action intended to prevent an increase or spread in the possession of nuclear weapons.
  • counterrevolutionary — Counterrevolutionary activities are activities intended to reverse the effects of a previous revolution.
  • counterrevolutionist — A counterrevolutionary.
  • court of last resort — (in the US) a supreme court
  • critical temperature — the temperature of a substance in its critical state. A gas can only be liquefied by pressure alone at temperatures below its critical temperature
  • crude oil evaluation — Crude oil evaluation is the process of assessing the chemical and physical properties of crude oil, against particular standards.
  • cycloidal propulsion — propulsion of a vessel by propellers of controllable pitch that steer as well as propel.
  • declarative language — (language)   Any relational language or functional language. These kinds of programming language describe relationships between variables in terms of functions or inference rules, and the language executor (interpreter or compiler) applies some fixed algorithm to these relations to produce a result. Declarative languages contrast with imperative languages which specify explicit manipulation of the computer's internal state; or procedural languages which specify an explicit sequence of steps to follow. The most common examples of declarative languages are logic programming languages such as Prolog and functional languages like Haskell. See also production system.
  • declaratory judgment — a judgment that merely decides the rights of parties in a given transaction, situation, or dispute but does not order any action or award damages.
  • deduct from the bill — If you deduct an item or expense from the bill at a restaurant or hotel, you take a charge out of a customer's bill.
  • degree of difficulty — a rating which reflects the difficulty of the manoeuvre or action an athlete is attempting to perform in sports such as gymnastics and diving, and which is factored into the final score
  • deoxyribonucleotides — Plural form of deoxyribonucleotide.
  • dictionary catalogue — a catalogue of the authors, titles, and subjects of books in one alphabetical sequence
  • digital service unit — data service unit
  • dirac delta function — delta function.
  • disability insurance — insurance providing income to a policyholder who is disabled and cannot work.
  • displacement current — the rate of change, at any point in space, of electric displacement with time.
  • distribution channel — trade: retailer
  • distributive lattice — (theory)   A lattice for which the least upper bound (lub) and greatest lower bound (glb) operators distribute over one another so that a lub (b glb c) == (a lub c) glb (a lub b) and vice versa. ("lub" and "glb" are written in LateX as \sqcup and \sqcap).
  • district of columbia — a federal area in the E United States, on the Potomac, coextensive with the federal capital, Washington. 69 sq. mi. (179 sq. km). Abbreviation: DC (for use with zip code), D.C.
  • diverticular disease — any disease of the colon involving the presence of diverticula
  • double-aspect theory — a monistic theory that holds that mind and body are not distinct substances but merely different aspects of a single substance
  • double-trailer truck — tandem trailer (def 1).
  • drum and bugle corps — a marching band of drum players and buglers.
  • duck-billed dinosaur — hadrosaur.
  • due process (of law) — the course of legal proceedings established by the legal system of a nation or state to protect individual rights
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