23-letter words containing u, c, h
- have one's work cut out — to have as much work as one can manage
- have struck/hit paydirt — If you say that someone has struck paydirt or has hit paydirt, you mean that they have achieved sudden success or gained a lot of money very quickly.
- heaviside unit function — the function that is zero for any number less than zero and that is 1 for any number greater than or equal to zero.
- heterogeneous catalysis — Heterogeneous catalysis is catalysis in which the catalyst does not take part in the reaction that it increases.
- hire purchase agreement — an agreement between a seller and a buyer for the buyer to purchase something on hire purchase
- homonymous construction — a construction that consists of the same morphemes in the same order as those of another construction, as Flying planes can be dangerous, in which planes in one construction is the object of flying, and in another the subject of can; a terminal string of formatives having two or more structural descriptions.
- human leukocyte antigen — HLA.
- human rights campaigner — a person who campaigns for human rights
- hunchback of notre dame — French Notre Dame de Paris. a novel (1831) by Victor Hugo.
- hydrochlorofluorocarbon — Any of a class of inert compounds of carbon, hydrogen, hydrocarbons, chlorine, and fluorine, used in place of chlorofluorocarbons as being somewhat less destructive to the ozone layer.
- hypergeometric equation — a differential equation of the form, (x 2 − x) d 2 y / d 2 x + [(a+b +1) x−c ] dy/dx + abx =0, where a, b, and c are arbitrary constants.
- hypergeometric function — a function that is a solution to a hypergeometric equation.
- industrial psychologist — a person who studies human behaviour and cognitive processes in relation to the working environment
- knock the bottom out of — to destroy or eliminate
- largemouth (black) bass — a black bass (Micropterus salmoides) found in warm, sluggish waters
- laughlin air force base — U.S. Air Force installation in SW Texas, SE of Del Rio.
- light and shade surface — (in architectural shades and shadows) a surface in a plane tangent to the parallel rays from the theoretical light source, treated as a shade surface.
- lymphoblastic leukaemia — a severe blood disorder in which abnormal leukocytes are identified as immature forms of lymphocytes
- made out of whole cloth — completely fictitious or false; made up
- micropachycephalosaurus — A very small pachycephalosaurid, ornithischian dinosaur of the genus Micropachycephalosaurus.
- mild mercurous chloride — calomel.
- murder in the cathedral — a verse drama (1935) by T. S. Eliot.
- neutrosophic statistics — (statistics) Analysis of events described by neutrosophic probability.
- nigger of the narcissus — a novel (1897) by Joseph Conrad.
- north ossetian republic — a constituent republic of S Russia, on the N slopes of the central Caucasus Mountains. Capital: Vladikavkaz. Pop: 709 900 (2002). Area: about 8000 sq km (3088 sq miles)
- not a hair out of place — If you say that someone has not a hair out of place, you are emphasizing that they are extremely smart and neatly dressed.
- occupational psychology — the study of human behaviour at work, including ergonomics, selection procedures, and the effects of stress
- orthodox eastern church — Eastern Orthodox Church
- over-the-counter market — a security market that deals in securities that are not listed or quoted on a stock exchange
- particulate inheritance — the inheritance of discrete characters via genes that are independently expressed without the blending of characters from one generation to the next.
- pharmaceuticals company — a company specialising in developing and marketing pharmaceuticals
- photoelectric magnitude — the magnitude of a star determined using a photometer plus a filter to select light or other radiation of the desired wavelength
- pithecanthropus erectus — Java man
- posthypnotic suggestion — a suggestion made to the subject while in a hypnotic trance, to be acted upon at some time after emerging from the trance
- price out of the market — to charge so highly for as to prevent the sale, hire, etc, of
- public-key cryptography — public-key encryption
- put the record straight — to correct an error or misunderstanding
- put through one's paces — a rate of movement, especially in stepping, walking, etc.: to walk at a brisk pace of five miles an hour.
- queen charlotte islands — a group of about 150 islands off the W coast of Canada: part of British Columbia. Pop: about 6000 (latest est). Area: 9596 sq km (3705 sq miles)
- quota share reinsurance — Quota share reinsurance is a form of reinsurance in which the reinsurer accepts a certain percentage of all or certain parts of the business of the reinsured person or company.
- quote chapter and verse — [by analogy with the mainstream phrase] To cite a relevant excerpt from an appropriate bible. "I don't care if "rn" gets it wrong; "Followup-To: poster" is explicitly permitted by RFC 1036. I'll quote chapter and verse if you don't believe me." See also legalese, language lawyer, RTFS (sense 2).
- rheumatic heart disease — damage to the heart, especially to the valves, as a result of rheumatic fever, characterized by inflammation of the myocardium or scarring and malfunction of the heart valves.
- right circular cylinder — a cylinder generated by the revolution of a rectangle about one of its sides.
- russian orthodox church — the national Church of Russia, constituting a branch of the Eastern Church, presided over by the Patriarch of Moscow
- school (crossing) guard — a person, either an adult or an older student, whose duty it is to help children cross streets near schools safely
- securities exchange act — a law passed in 1934 establishing the SEC.
- structural anthropology — a school of anthropology founded by Claude Lévi-Strauss and based loosely on the principles of structural linguistics.
- thank one's lucky stars — any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night.
- the chamber of deputies — the lower legislative assembly in some parliaments
- the numbers game/racket — If you refer to the numbers game, the numbers racket, or the numbers, you are referring to an illegal lottery or illegal betting.