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23-letter words containing c, h, r, o, n, i

  • 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.
  • icosidodecadodecahedron — A polyhedron having 44 faces, 60 vertices, 120 edges, 12 self intersected faces and 12 nonconvex faces.
  • industrial psychologist — a person who studies human behaviour and cognitive processes in relation to the working environment
  • interchange file format — (file format)   (IFF, full name "EA IFF 1985") A generic file format published by Electronic Arts as an open standard. IFF is chunk-based and hierarchical so files can include other files. It is easily extensible and an all round Good Idea. An IFF file starts with one of the following "group IDs": 'FORM', 'LIST' or 'CAT '. This is followed by an unsigned 32-bit number of bytes in the remainder of the file. Then comes an ID that indicates which type of IFF file this is. The main image type is ILBM, audio is either AIFF or 8SVX, animations are ANIM etc. An IFF file will probably have a filename extension related to this file type stored in the file. The rest of the file is divided into chunks each of which also has a four-byte header and byte count.
  • intermediate technology — technology which combines sophisticated ideas with cheap and readily available materials, esp for use in developing countries
  • irish christian brother — Brother of the Christian Schools (def 2).
  • kinetic theory of gases — a theory that the particles in a gas move freely and rapidly along straight lines but often collide, resulting in variations in their velocity and direction. Pressure is interpreted as arising from the impacts of these particles with the walls of a container.
  • laughlin air force base — U.S. Air Force installation in SW Texas, SE of Del Rio.
  • magnetohydrodynamically — In a magnetohydrodynamic way.
  • magnetomechanical ratio — the ratio of the angular momentum of a rotating charged particle to its magnetic moment; the reciprocal of the gyromagnetic ratio.
  • martha washington chair — a chair of the 18th century having a high upholstered back, a low upholstered seat, and short arms resting on incurvate supports.
  • methylthionine chloride — methylene blue.
  • national health service — In Britain, the National Health Service is the state system for providing medical care. It is paid for by taxes.
  • neutrosophic statistics — (statistics)   Analysis of events described by neutrosophic probability.
  • nigger of the narcissus — a novel (1897) by Joseph Conrad.
  • north east lincolnshire — a unitary authority in E England, in Lincolnshire: formerly (1974–96) part of the county of Humberside. Pop: 157 400 (2003 est). Area: 192 sq km (74 sq miles)
  • 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.
  • object relations theory — a form of psychoanalytic theory postulating that people relate to others in order to develop themselves
  • orthographic projection — a two-dimensional graphic representation of an object in which the projecting lines are at right angles to the plane of the projection. Also called orthogonal projection. Compare isometric (def 5).
  • orthomorphic projection — conformal projection.
  • orthostatic hypotension — Medicine/Medical. a fall in blood pressure associated with an upright position, usually occurring as a result of standing still for a long time or rising from a prolonged stay in bed and often causing faintness, dizziness, and vision disturbances.
  • overnight accommodation — accommodation provided by an establishment (such as a hotel) where guests can sleep or spend the night
  • oxycodone hydrochloride — opiate drug used as a painkiller
  • pentachloronitrobenzene — a crystalline compound, C 6 Cl 5 NO 2 , used as an herbicide and insecticide. Abbreviation: PCNB.
  • 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
  • polyvinylidene chloride — a polymer of vinylidene chloride, used chiefly in the manufacture of saran.
  • precipitation hardening — a process in which alloys are strengthened by the formation, in their lattice, of a fine dispersion of one component when the metal is quenched from a high temperature and aged at an intermediate temperature
  • process hazard analysis — Process hazard analysis is calculating what might be a hazard in a process, how likely it is to happen, and what should be done if someone or something is exposed to this hazard.
  • psychomotor retardation — a generalized slowing of psychological and physical activity, frequently occurring as a symptom of severe depression.
  • 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.
  • russian orthodox church — the national Church of Russia, constituting a branch of the Eastern Church, presided over by the Patriarch of Moscow
  • saint christopher-nevis — St. Kitts-Nevis.
  • schizotypal personality — a personality disorder characterized by a group of symptoms similar to but less severe than schizophrenia, as odd behavior, peculiar thinking, and social isolation.
  • school (crossing) guard — a person, either an adult or an older student, whose duty it is to help children cross streets near schools safely
  • scottish national party — a political party advocating the independence of Scotland, founded in 1934
  • sheltered accommodation — housing specially designed to provide a safe environment for the elderly, handicapped, or disabled, often with some shared facilities and a caretaker
  • the data protection act — a United Kingdom act of parliament designed to ensure the proper handling of information stored about individuals on computers and entitling individuals to find out what information is stored about them
  • the library of congress — the official library of the United States in Washington, DC. It houses extensive collections in all subject areas and formats, important historical documents, and is also a depository for copyrighted materials.
  • the metropolitan police — the police organization that is responsible for Greater London, excluding the City of London
  • the scottish parliament — the devolved national legislature of Scotland, located in Edinburgh
  • the teaching profession — the profession of a teacher
  • throttle-body injection — a fuel-injection system in which an injector (throttle-body injector) delivers fuel to a central location within the intake manifold of the engine. Abbreviation: TBI.
  • to rise to the occasion — If you say that someone rose to the occasion, you mean that they did what was necessary to successfully overcome a difficult situation.
  • to stick in your throat — If something sticks in your throat, you find it unacceptable.
  • trigonal trisoctahedron — a trisoctahedron whose faces are triangles.
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