23-letter words containing a, c, o, r
- hexagonal cross-section — If a kelly has a hexagonal cross-section, it has a surface area with six equal sides, when looked at as if has been sliced through.
- hierarchical navigation — (web) On a web page, any type of menu whose hierarchical structure matches that of the site to which the page belongs. A hierarchical navigation menu allows the user to jump ("navigate") directly to a section of the site several levels below the top. The menu may present only a fixed number of levels rather than the whole structure.
- hollerithabetical order — (algorithm) Sorted into the order a standard Hollerith card sorting machine produces, with special characters interleaved within the alphabet.
- hook-and-ladder company — a company of firefighters equipped with a hook-and-ladder truck.
- 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.
- hypothetical imperative — (esp in the moral philosophy of Kant) any conditional rule of action, concerned with means and ends rather than with duty for its own sake
- icosidodecadodecahedron — A polyhedron having 44 faces, 60 vertices, 120 edges, 12 self intersected faces and 12 nonconvex faces.
- identification bracelet — a bracelet, usually of metal links, having an identification plate for the name of the wearer.
- immunological tolerance — the absence of antibody production in response to the presence of antigens, usually as a result of previous exposure to the antigens
- in someone's bad graces — elegance or beauty of form, manner, motion, or action: We watched her skate with effortless grace across the ice. Synonyms: attractiveness, charm, gracefulness, comeliness, ease, lissomeness, fluidity. Antonyms: stiffness, ugliness, awkwardness, clumsiness; klutziness.
- indirect discrimination — discrimination by means of rules, regulations or procedures that may appear to be neutral, but which actually discriminate against certain groups of people.
- industrial psychologist — a person who studies human behaviour and cognitive processes in relation to the working environment
- informatics corporation — (company) Renamed to Sterling Software Corp.
- initial public offering — An initial public offering is the first offering of stock when a company goes public.
- integrated fire control — an electronic system that locates and tracks a target, computes the data, and employs a weapon to destroy it.
- 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
- internal reconstruction — the hypothetical reconstruction of an earlier stage of a language or of some part of it, as its phonology, by deductions from irregularities in its present structure, as the reconstruction of a stage in English when certain instances of r were related to s in a systematic way by comparing the pair was:were to other pairs, as lose:forlorn.
- interval of convergence — an interval associated with a given power series such that the series converges for all values of the variable inside the interval and diverges for all values outside it.
- irish christian brother — Brother of the Christian Schools (def 2).
- joint test action group —
- juan rodriguez cabrillo — Juan Rodríguez [rod-ree-ges] /rɒdˈri gɛs/ (Show IPA), (Joao Rodrigues Cabrilho) 1499?–1543, Spanish explorer, born in Portugal: discovered California.
- katmai new instructions — Streaming SIMD Extensions
- keep (a person) company — to stay with (a person) so as to provide companionship
- 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.
- lackland air force base — U.S. Air Force installation in SW central Texas, SW of San Antonio.
- lady chatterley's lover — a novel (1928) by D. H. Lawrence.
- large-scale integration — LSI.
- 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.
- law enforcement officer — an official employee who prevents and detects crime and who maintains and upholds the police, such as a police officer, sheriff, customs officer etc
- lawrence livermore labs — Lawrence Livermore National Laboratory
- lead replacement petrol — a less toxic fuel introduced in 2000 for cars requiring leaded petrol
- lesser peach tree borer — the larva of a clearwing moth, Synanthedon pictipes, distributed throughout the eastern U.S. and Canada but most prevalent in the South, that burrows into the injured trunks and branches of stone fruit trees.
- lock, stock, and barrel — a device for securing a door, gate, lid, drawer, or the like in position when closed, consisting of a bolt or system of bolts propelled and withdrawn by a mechanism operated by a key, dial, etc.
- lossy audio compression — (audio, compression) Any audio compression algorithm which does not retain every bit of data but only reproduces a signal that sounds more or less like the original. Examples are MP1, MP2, MP3, AAC.
- lower of cost or market — Lower of cost or market is a method of valuing assets where the asset is valued at either the historical cost or the fair market value, whichever is lower.
- magnetic resonance scan — MR scan.
- magneto-encephalography — a record of the magnetic field of the brain. Abbreviation: MEG.
- 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.
- make allowances for sth — If you make allowances for something, you take it into account in your decisions, plans, or actions.
- marriage of convenience — marriage entered into for a personal or family advantage, as for social, political, or economic reasons, usually without love and sometimes without the expectation of sexual relations.
- 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.
- math-matic or mathmatic — Alternate name for AT-3. Early, pre-Fortran language for UNIVAC I or II. Sammet 1969.
- micro assembly language — (language) (MAL) A microprogramming language with high-level syntax, used in the reference below. See also Mic-1, Mac-1.
- micropachycephalosaurus — A very small pachycephalosaurid, ornithischian dinosaur of the genus Micropachycephalosaurus.
- modern sequence dancing — a form of dancing in which ballroom dance steps are used as the basis of a wide variety of different dances typically performed in a sequence