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23-letter words containing c, h, i, t

  • constitutional monarchy — a monarchy governed according to a constitution that limits and defines the powers of the sovereign
  • consultant psychiatrist — a psychiatrist who has attained the rank of consultant
  • convergent technologies — (company)   A company formed by a small group of people who left Intel Corporation in 1979. Convergent Technologies' first product was the IWS (Integrated Workstation) based on the Intel 8086, which ran Convergent Technologies Operating System - their first operating system. Unisys bought Convergent Technologies in 1988.
  • dacryocystorhinostomies — Plural form of dacryocystorhinostomy.
  • descriptive metaphysics — the philosophical study of the structure of how we think about the world
  • dichlorodiethyl sulfide — mustard gas.
  • dichlorodifluoromethane — a colourless nonflammable gas easily liquefied by pressure: used as a propellant in aerosols and fire extinguishers and as a refrigerant. Formula: CCl2F2
  • differential psychology — the branch of psychology dealing with the study of characteristic differences or variations of groups or individuals, especially through the use of analytic techniques and statistical methods.
  • direct characterization — the process by which the personality of a fictitious character is revealed by the use of descriptive adjectives, phrases, or epithets.
  • director of photography — the person who is responsible for all operations concerning camera work and lighting during the production of a film.
  • drawing exchange format — (DXF) A file format for graphical information, similar to IGES. Commonly used by CAD systems like AutoCAD.
  • 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.
  • electric field strength — the strength or intensity of an electric field at any point, usually measured in volts per metre
  • electroencephalographic — Of or pertaining to electroencephalography or electroencephalographs.
  • electrophotographically — In an electrophotographic manner; by means of electrophotography.
  • electrostatic discharge — (hardware, testing)   (ESD) One kind of test that hardware usually has to pass to prove it is suitable for sale and use. The hardware must still work after is has been subjected to some level of electrostatic discharge. Some organisations have their own ESD requirements which hardware must meet before it will be considered for purchase. Different countries have different legal regulations about levels of ESD. See also Radio Frequency Interference, Electromagnetic Compatibility.
  • embarrassment of riches — If you say that someone has an embarrassment of riches, you mean that they have so many good things that these things are a problem.
  • encephalitis lethargica — a form of encephalitis, or sleeping sickness, epidemic in the period from 1915 to 1926
  • 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
  • every trick in the book — If someone tries every trick in the book, they try every possible thing that they can think of in order to achieve something.
  • exchange rate mechanism — European financial system
  • experimental psychology — the scientific study of the individual behaviour of man and other animals, esp of perception, learning, memory, motor skills, and thinking
  • extended graphics array — (hardware)   (XGA) An IBM display standard introduced in 1990. XGA supports a resolution of 1024 x 768 pixels with a palette of 256 colours, or 640 x 480 with high colour (16 bits per pixel). XGA-2 added 1024 x 768 support for high colour and higher refresh rates, improved performance, and supports 1360 x 1024 in 16 colours. XGA is probably not the same as 8514-A. See also VESA's EVGA released at a similar time.
  • 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
  • fendalton shopping cart — a four-wheel drive recreational vehicle
  • fischer-tropsch process — a catalytic hydrogenation method to produce liquid hydrocarbon fuels from carbon monoxide.
  • foreign exchange market — the market for the international buying, selling and trading of currencies
  • 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.
  • german southwest africa — a former name of Namibia.
  • 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.
  • greater prairie chicken — either of two North American gallinaceous birds of western prairies, Tympanuchus cupido (greater prairie chicken) or T. pallidicinctus (lesser prairie chicken) having rufous, brown, black, and white plumage.
  • have struck/hit paydirt — If you say that someone has struck paydirt or has hit paydirt, you mean that they have achieved sudden success or gained a lot of money very quickly.
  • 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.
  • 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.
  • hire purchase agreement — an agreement between a seller and a buyer for the buyer to purchase something on hire purchase
  • hold sb/sth in contempt — If you hold someone or something in contempt, you feel contempt for them.
  • hollerithabetical order — (algorithm)   Sorted into the order a standard Hollerith card sorting machine produces, with special characters interleaved within the alphabet.
  • homonymous construction — a construction that consists of the same morphemes in the same order as those of another construction, as Flying planes can be dangerous, in which planes in one construction is the object of flying, and in another the subject of can; a terminal string of formatives having two or more structural descriptions.
  • human leukocyte antigen — HLA.
  • human rights campaigner — a person who campaigns for human rights
  • 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.
  • 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
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