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23-letter words containing c, l, u, e

  • digital subscriber loop — Digital Subscriber Line
  • dishonourable discharge — dismissal from the US armed forces by a court martial as a result of serious misconduct
  • disjunctive normal form — (DNF) A logical formula consisting of a disjunction of conjunctions where no conjunction contains a disjunction. E.g. the DNF of (A or B) and C is (A and C) or (B and C).
  • duplication of the cube — the insoluble problem of constructing a cube having twice the volume of a given cube, using only a ruler and compass.
  • electronic surveillance — use of electronic devices to spy, observe
  • encapsulated postscript — (EPS) An extension of the PostScript graphics file format developed by Adobe Systems. EPS is used for PostScript graphics files that are to be incorporated into other documents. An EPS file includes pragmas (special PostScript comments) giving information such as the bounding box, page number and fonts used. On some computers, EPS files include a low resolution version of the PostScript image. On the Macintosh this is in PICT format, while on the IBM PC it is in TIFF or Microsoft Windows metafile format.
  • entrance qualifications — academic requirements
  • equivalent focal length — the ratio of the size of an image of a small distant object near the optical axis to the angular distance of the object in radians
  • exclusive economic zone — the coastal water and sea bed around a country's shores, to which it claims exclusive rights for fishing, oil exploration, etc
  • execute channel program — (operating system)   (EXCP) An IBM system for low-level file access, where the programmer is completely responsible for providing a list of device-specific "channel comands" to be executed by I/O channels, control units and/or devices. The operating system will simply check the "CCW" chains for security purposes (access invalid memory or outside of file extents) and then schedule them for execution.
  • extravehicular activity — the act or an instance of floating and manoeuvring in space, outside but attached by a lifeline to a spacecraft
  • extremely low frequency — a radio frequency or radio-frequency band below 3 kilohertz
  • fall through the cracks — to break without complete separation of parts; become fissured: The plate cracked when I dropped it, but it was still usable.
  • ferric ammonium oxalate — a green, crystalline, water-soluble, synthetically produced powder, (NH 4) 3 Fe(C 2 O 4) 3 ⋅3H 2 O, used chiefly in the manufacture of blueprint paper.
  • four colour map theorem — (mathematics, application)   (Or "four colour theorem") The theorem stating that if the plane is divided into connected regions which are to be coloured so that no two adjacent regions have the same colour (as when colouring countries on a map of the world), it is never necessary to use more than four colours. The proof, due to Appel and Haken, attained notoriety by using a computer to check tens of thousands of cases and is thus not humanly checkable, even in principle. Some thought that this brought the philosophical status of the proof into doubt. There are now rumours of a simpler proof, not requiring the use of a computer. See also chromatic number
  • fraunhofer gesellschaft — (company)   (FhG, FhG IIS, Institut für Integrierte Schaltungen) A german company, named after the physicist. IIS is Integrated Circuit Institute. FhG are known for their research on audio compression, especially MPEG-1 Layer-3 (MP3).
  • frictional unemployment — those people who are in the process of moving from one job to another and who therefore appear in the unemployment statistics collected at any given time
  • fully associative cache — (memory management)   A type of cache in which data from any address can be stored in any cache location. The whole address must be used as the tag (the value that identifies a block of data in the cache). All tags must be compared simultaneously (associatively) with the requested address and if one matches then its associated data is accessed. This requires an associative memory to hold the tags which makes this form of cache more expensive. It does however solve the problem of contention for cache locations (cache conflict) since a block need only be flushed when the whole cache is full and then the block to flush can be selected in a more efficient way. The alternatives are direct mapped cache or set associative cache.
  • function graph language — (language)   (FGL) The machine language for the AMPS (Applicative Multi-Processing System) proposed by Robert Keller, Gary Lindstrom and Suhas Patil at the University of Utah.
  • functional requirements — (specification)   What a system should be able to do, the functions it should perform. This term is used at both the user requirements analysis and software requirements specifications phases in the software life-cycle. An example of a non-functional requirement is an initialisation sequence incorporated into the software that is specific to a given customer.
  • fundamental interaction — any of the four basic interactions that occur in nature: the gravitational, electromagnetic, strong, and weak interactions
  • grand duchess charlotte — Grand Duchess (Charlotte Aldegonde Elise Marie Wilhelmine) 1896–1985, sovereign of Luxembourg 1919–64.
  • great black-backed gull — any of several white gulls, as Larus marinus (great black-backed gull) having a black back and wings.
  • heterogeneous catalysis — Heterogeneous catalysis is catalysis in which the catalyst does not take part in the reaction that it increases.
  • human leukocyte antigen — HLA.
  • immunological tolerance — the absence of antibody production in response to the presence of antigens, usually as a result of previous exposure to the antigens
  • 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.
  • initial public offering — An initial public offering is the first offering of stock when a company goes public.
  • inland marine insurance — insurance chiefly covering risks to goods and means of transportation involved in the transporting of goods overland or by inland waterways.
  • interfascicular cambium — cambium that develops between the vascular bundles.
  • 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.
  • internet public library — (IPL) A project at the University of Michigan School of Information and Library Studies to provide an on-line, 24 hour public library, chaired by an assemblage of librarians and information industry professionals. The library aims to provide library services to a target audience estimated to number 1/4 of the entire American population by the end of the century. The Internet Public Library is scheduled to go on-line in March 1995. Among the first services will be on-line reference; youth services; user education; and professional services for librarians. Mailing list: [email protected]
  • invertible counterpoint — counterpoint in which the voices, while retaining their original form, may be interchanged above or below one another in any order.
  • islamic fundamentalists — Muslims who believe in, advocate or support a conservative adherence to literal or traditional interpretations of the Qu'ran and the Sunnah
  • juan rodriguez cabrillo — Juan Rodríguez [rod-ree-ges] /rɒdˈri gɛs/ (Show IPA), (Joao Rodrigues Cabrilho) 1499?–1543, Spanish explorer, born in Portugal: discovered California.
  • 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.
  • 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.
  • 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.
  • 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
  • magnetic susceptibility — the coefficient or set of coefficients of the magnetic intensity in any expression giving the components of magnetization as linear combinations of the components of magnetic intensity.
  • 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.
  • mild mercurous chloride — calomel.
  • multimedia compact disc — (storage)   (MMCD) A CD-ROM standard for storing 4.7 GB of data including video. MMCD is being developed by a large numer of computer manufacturers and is expected to be shipped in late 1996 or early 1997. Initially it will be aimed at the consumer market, then perhaps in CD-ROM format for computers, and maybe later on erasble CD.
  • multiple-risk insurance — insurance that covers several risks
  • multiplicative identity — an identity that when used to multiply a given element in a specified set leaves that element unchanged, as the number 1 for the real-number system.
  • murder in the cathedral — a verse drama (1935) by T. S. Eliot.
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