23-letter words containing c, o, a, e
- get down to brass tacks — discuss essentials
- grand duchess charlotte — Grand Duchess (Charlotte Aldegonde Elise Marie Wilhelmine) 1896–1985, sovereign of Luxembourg 1919–64.
- grant-maintained school — a school funded directly by central government
- greatest common divisor — the largest number that is a common divisor of a given set of numbers. Abbreviation: G.C.D.
- have one's act together — anything done, being done, or to be done; deed; performance: a heroic act.
- have one's work cut out — to have as much work as one can manage
- have tickets on oneself — to be conceited
- 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.
- 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.
- human leukocyte antigen — HLA.
- hunchback of notre dame — French Notre Dame de Paris. a novel (1831) by Victor Hugo.
- 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 a class of one's own — If someone is in a class of their own, they have more of a particular skill or quality than anyone else. If something is in a class of its own, it is better than any other similar thing.
- in sack cloth and ashes — sacking.
- 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.
- incontestability clause — a clause in a life-insurance or health-insurance policy stating that the insurer cannot contest the policy after a stated period of time.
- 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.
- 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.
- knock into a cocked hat — a man's hat, worn especially in the 18th century, having a wide, stiff brim turned up on two or three sides toward a peaked crown. Compare bicorne, tricorn (def 2).
- 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.
- locally euclidean space — a topological space in which each point has a neighborhood that is homeomorphic to an open set in a Euclidean space of specified dimension.
- 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.