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23-letter words containing l, h, e, a

  • experimental psychology — the scientific study of the individual behaviour of man and other animals, esp of perception, learning, memory, motor skills, and thinking
  • extended reach drilling — Extended reach drilling is drilling a well horizontally to at least twice its vertical depth.
  • extravehicular activity — the act or an instance of floating and manoeuvring in space, outside but attached by a lifeline to a spacecraft
  • fall between the cracks — to fail to fit into a given agenda or program
  • 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.
  • fendalton shopping cart — a four-wheel drive recreational vehicle
  • fifth marquis lansdowne — Henry Charles Keith, 5th Marquis of Lansdowne, Lansdowne, 5th Marquis of.
  • fish in troubled waters — any of various cold-blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with scales.
  • 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).
  • 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.
  • gastroesophageal reflux — a chronic condition in which acid from the stomach flows back into the lower esophagus, causing pain or tissue damage.
  • 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
  • graphical kernel system — (graphics, standard)   (GKS) The widely recognised standard ANSI X3.124 for graphical input/output. GKS is worked on by the ISO/IEC group JTC1/SC24. It provides applications programmers with standard methods of creating, manipulating, and displaying or printing computer graphics on different types of computer graphics output devices. It provides an abstraction to save programmers from dealing with the detailed capabilities and interfaces of specific hardware. GKS defines a basic two-dimensional graphics system with: uniform input and output primitives; a uniform interface to and from a GKS metafile for storing and transferring graphics information. It supports a wide range of graphics output devices including such as printers, plotters, vector graphics devices, storage tubes, refresh displays, raster displays, and microfilm recorders.
  • haleakala national park — a national park on Maui, Hawaii: site of 21-mile (34-km) diameter volcanic crater. 43 sq. mi. (111 sq. km).
  • handwriting on the wall — writing done with a pen or pencil in the hand; script.
  • hang out your/a shingle — If you hang out your shingle or hang out a shingle, you start your own business.
  • hate-driven development — (programming, humour)   A play on test-driven development for use when a piece of code is not necessarily broken but you hate the way it is written so much that you feel compelled to rewrite it.
  • have bats in the belfry — to be mad or eccentric; have strange ideas
  • have tickets on oneself — to be conceited
  • health maintenance plan — A health maintenance plan is a health insurance policy that provides preventive care like vaccinations, doctor checkups, and screenings, for a prepaid fee.
  • 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.
  • higher national diploma — a work-related higher education qualification, taking two years full-time.
  • hold on like grim death — to hold very firmly or resolutely
  • 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.
  • horsehair-blight fungus — a fungal parasite, Marasmius equicrinis, that causes a disease of certain tropical plants, especially tea.
  • human leukocyte antigen — HLA.
  • hunter-killer satellite — a satellite designed to seek out and destroy a nearby enemy satellite by exploding itself into a cloud of high-speed metal fragments.
  • hunter-killer submarine — a submarine designed and equipped to pursue and destroy enemy craft
  • hypobetalipoproteinemia — (pathology) A low level of betalipoprotein (low-density lipoprotein) in the bloodstream.
  • 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
  • in sack cloth and ashes — sacking.
  • inherently safer design — Inherently safer design is when a lot of consideration is given to safety when designing a process.
  • 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
  • keep sb at arm's length — If you keep someone at arm's length, you avoid becoming too friendly or involved with them.
  • lady chatterley's lover — a novel (1928) by D. H. Lawrence.
  • 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.
  • lead up the garden path — a plot of ground, usually near a house, where flowers, shrubs, vegetables, fruits, or herbs are cultivated.
  • leave well enough alone — in a good or satisfactory manner: Business is going well.
  • 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.
  • 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.
  • like a headless chicken — disorganized and uncontrolled
  • like anything/crazy/mad — You can use the expressions like anything, like crazy, or like mad to emphasize that someone is doing something or something is happening in a very energetic or noticeable way.
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