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18-letter words containing r, e, c, o, g

  • electronic meeting — (messaging)   The use of a network of personal computers to improve communication that takes place in a meeting. Electronic meetings are effective with as few as two participants and with over 100 participants. Participants can be face-to-face in a meeting room or distributed around the world. They may all be participating at the same time or different times.
  • electronic tagging — Electronic tagging is a system in which a criminal or suspected criminal has an electronic device attached to them which enables the police to know if they leave a particular area.
  • electrophotography — Any of several methods of photocopying in which an image is created and then transferred between surfaces using static electricity.
  • electroretinograms — Plural form of electroretinogram.
  • energy consumption — amount of energy used
  • environment agency — an official agency providing information on environmental issues, esp rivers, flooding and pollution
  • equinoctial spring — either of the two highest spring tides that occur at the equinoxes
  • euclid's algorithm — (algorithm)   (Or "Euclidean Algorithm") An algorithm for finding the greatest common divisor (GCD) of two numbers. It relies on the identity gcd(a, b) = gcd(a-b, b) To find the GCD of two numbers by this algorithm, repeatedly replace the larger by subtracting the smaller from it until the two numbers are equal. E.g. 132, 168 -> 132, 36 -> 96, 36 -> 60, 36 -> 24, 36 -> 24, 12 -> 12, 12 so the GCD of 132 and 168 is 12. This algorithm requires only subtraction and comparison operations but can take a number of steps proportional to the difference between the initial numbers (e.g. gcd(1, 1001) will take 1000 steps).
  • exchange programme — an arrangement in which people from different countries visit each other's country, perhaps to strengthen links between them or to improve foreign language skills
  • exercise programme — a programme detailing a range of physical exercises and the amount of time each exercise should be performed, used especially in gymnasiums, where they are typically tailored to individuals' needs
  • farm the long acre — to graze cows on the verge of a road
  • fluorodeoxyglucose — (carbohydrate) A fluorine analog of glucose that is used in positron emission tomography.
  • fracture toughness — The fracture toughness of a material is how likely it is to resist fracture.
  • frederick douglass — Frederick, 1817–95, U.S. ex-slave, abolitionist, and orator.
  • garbage collection — (programming)   (GC) The process by which dynamically allocated storage is reclaimed during the execution of a program. The term usually refers to automatic periodic storage reclamation by the garbage collector (part of the run-time system), as opposed to explicit code to free specific blocks of memory. Automatic garbage collection is usually triggered during memory allocation when the amount free memory falls below some threshold or after a certain number of allocations. Normal execution is suspended and the garbage collector is run. There are many variations on this basic scheme. Languages like Lisp represent expressions as graphs built from cells which contain pointers and data. These languages use automatic dynamic storage allocation to build expressions. During the evaluation of an expression it is necessary to reclaim space which is used by subexpressions but which is no longer pointed to by anything. This reclaimed memory is returned to the free memory pool for subsequent reallocation. Without garbage collection the program's memory requirements would increase monotonically throughout execution, possibly exceeding system limits on virtual memory size. The three main methods are mark-sweep garbage collection, reference counting and copying garbage collection. See also the AI koan about garbage collection.
  • gas-cooled reactor — a nuclear reactor using a gas as the coolant. In the Mark I type the coolant is carbon dioxide, the moderator is graphite, and the fuel is uranium cased in magnox
  • general confession — a prayer confessing sins
  • general contractor — a person who contracts to construct a building or buildings, for a stipulated sum, in accordance with certain plans and specifications, or to remodel or build an addition to a building
  • general precession — the precession that results from both lunisolar precession and planetary precession; precession of the equinoxes.
  • genetic algorithms — genetic algorithm
  • gensym corporation — (company)   A company that supplies software and services for intelligent operations management. Common applications include quality management, process optimisation, dynamic scheduling, network management, energy and environmental management, and process modelling and simulation. Their products include G2.
  • gentleman-commoner — (formerly) a member of a class of commoners enjoying special privileges at Oxford University.
  • geodetic surveying — the surveying of the earth's surface, making allowance for its curvature and giving an accurate framework for smaller-scale surveys
  • geometrical optics — the branch of optics dealing with light as rays, especially in the study of the effects of lenses and mirrors on light beams and of their combination in optical instruments.
  • give someone curry — to assault (a person) verbally or physically
  • glyceryl trioleate — olein.
  • golden bantam corn — a horticultural variety of sweet corn having yellow kernels.
  • gooseneck barnacle — goose barnacle
  • gopher object type — A character specifying how to display a Gopher document. Current types are: 0 document 1 menu 2 CSO phone book entity 3 error 4 binhex binary 5 DOS binary (deprecated) 6 UU binary (deprecated) 7 index search 8 telnet connection 9 binary + duplicate server for previous object I image M MIME document T tn3270 based telnet connection c cal g GIF image h HTML s binary u {Usenet} newsgroup (1999-10-14)
  • government deficit — A government deficit is a situation in which a government spends more money than it has.
  • governor's council — a council chosen to assist or inform a governor on legislative or executive matters.
  • grand canyon state — Arizona (used as a nickname).
  • grand council fire — a formal gathering of camp fire members requiring a minimum attendance of three troops.
  • great expectations — a novel (1861) by Charles Dickens.
  • greater pichiciego — an armadillo, Burmeisteria retusa, similar to, but larger than, a pichiciego
  • green-backed heron — a small, American heron, Butorides striatus, having glossy green wings.
  • gregorian calendar — the reformed Julian calendar now in use, according to which the ordinary year consists of 365 days, and a leap year of 366 days occurs in every year whose number is exactly divisible by 4 except centenary years whose numbers are not exactly divisible by 400, as 1700, 1800, and 1900.
  • guidance counselor — advisor in schools
  • gyromagnetic ratio — the ratio of the magnetic moment of a rotating charged particle to its angular momentum.
  • haemorrhagic fever — any of a group of fevers, such as Ebola virus disease and yellow fever, characterized by internal bleeding or bleeding into the skin
  • haulage contractor — a person or firm that transports goods by lorry
  • helicopter gunship — military attack helicopter
  • herringbone stitch — a type of cross-stitch in embroidery similar to the catch stitch in sewing, consisting of an overlapped V -shaped stitch that when worked in a continuous pattern produces a twill-weave effect.
  • higher-order macro — A means of expressing certain higher-order functions in a first order language. Proposed by Phil Wadler. Higher-order macros cannot be recursive at the top level but they may contain recursive definitions. E.g. See partial evaluation.
  • historical geology — the branch of geology dealing with the history of the earth.
  • horseless carriage — an automobile: The horse and buggy were eventually replaced by the horseless carriage.
  • hydrogen electrode — a standard reference electrode with a potential of zero, used in pH measurements, consisting of a platinum-black surface covered with hydrogen bubbles.
  • hypodermic syringe — a small glass piston or barrel syringe having a detachable, hollow needle for use in injecting solutions subcutaneously.
  • hypogastric artery — iliac artery (def 3).
  • ignition interlock — interlock (def 10).
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