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18-letter words containing a, c, i, n, g, e

  • eclipsing variable — a variable star whose changes in brightness are caused by periodic eclipses of two stars in a binary system.
  • economic geography — a branch of geography that deals with the relation of physical and economic conditions to the production and utilization of raw materials and their manufacture into finished products.
  • eggshell porcelain — a type of very thin translucent porcelain originally made in China
  • electronic banking — the transfer of money between financial institutions through an exchange of electronic signals over a network
  • 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.
  • electroretinograms — Plural form of electroretinogram.
  • endangered species — animal, plant becoming extinct
  • 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
  • ethnomusicological — Relating to or pertaining to ethnomusicology.
  • ethnopsychological — Relating to ethnopsychology.
  • feeping creaturism — /fee'ping kree"ch*r-izm/ A deliberate spoonerism for creeping featurism, meant to imply that the system or program in question has become a misshapen creature of hacks. This term isn"t really well defined, but it sounds so neat that most hackers have said or heard it. It is probably reinforced by an image of terminals prowling about in the dark making their customary noises.
  • free-range chicken — a chicken kept in natural nonintensive conditions
  • fuel-saving device — a device that increases the fuel efficiency of a vehicle, so that it uses less fuel for a further distance
  • functional testing — (testing)   (Or "black-box testing", "closed-box testing") The application of test data derived from functional requirements without regard to how the system is implemented.
  • galactic longitude — the angular distance in degrees measured eastward in the galactic plane from a radius drawn from the earth as center to the constellation Sagittarius.
  • galilean telescope — a refracting telescope that forms an erect image, consisting of an objective of relatively long focal length that causes light rays to converge and an eyepiece of short focal length that causes them to diverge.
  • 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.
  • gene amplification — an increase in the frequency of replication of a DNA segment.
  • general confession — a prayer confessing sins
  • general precession — the precession that results from both lunisolar precession and planetary precession; precession of the equinoxes.
  • genetic algorithms — genetic algorithm
  • geneva conventions — one of a series of international agreements, first made in Geneva, Switzerland, in 1864, establishing rules for the humane treatment of prisoners of war and of the sick, the wounded, and the dead in battle.
  • 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.
  • german east africa — a former German territory in E Africa, the area now comprised of continental Tanzania and the independent republics of Rwanda and Burundi.
  • giant peacock moth — the largest European moth, an emperor, Saturnia pyri, reaching 15 cm (6 in.) in wingspan. It is mottled brown with a prominent ocellus on each wing and being night-flying can be mistaken for a bat
  • goya (y lucientes) — Fran‧ˈcis‧co Jo‧ˈsé‧ de (fʀɑnˈθiskɔhɔˈsɛ ðɛ) ; fränt hēsˈk^ōh^ōseˈ the) 1746-1828; Sp. painter
  • graduated cylinder — a narrow, cylindrical container marked with horizontal lines to represent units of measurement and used to precisely measure the volume of liquids.
  • grammatical gender — gender based on arbitrary assignment, without regard to the referent of a noun, as in French le livre (masculine), “the book,” and German das Mädchen (neuter), “the girl.”.
  • grand council fire — a formal gathering of camp fire members requiring a minimum attendance of three troops.
  • gravity escapement — an escapement, used especially in large outdoor clocks, in which the impulse is given to the pendulum by means of a weight falling through a certain distance.
  • great expectations — a novel (1861) by Charles Dickens.
  • 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
  • gulf saint vincent — a shallow inlet of SE South Australia, to the east of the Yorke Peninsula: salt industry
  • gyromagnetic ratio — the ratio of the magnetic moment of a rotating charged particle to its angular momentum.
  • heart-lung machine — a device through which blood is shunted temporarily for oxygenation during surgery, while the heart or a lung is being repaired.
  • hegelian dialectic — an interpretive method, originally used to relate specific entities or events to the absolute idea, in which some assertible proposition (thesis) is necessarily opposed by an equally assertible and apparently contradictory proposition (antithesis) the mutual contradiction being reconciled on a higher level of truth by a third proposition (synthesis)
  • highbush cranberry — a shrub, Viburnum trilobum, of northern North America, having broad clusters of white flowers and edible scarlet berries.
  • identification tag — either of two oblong metal tags, issued to armed forces personnel, on which are impressed the serial number, name, etc., of the person to whom it is issued, and carried on or about the person at all times.
  • impedance matching — the technique of choosing or adjusting electric circuits and components so that the impedance of the load is equal to the internal impedance of the power source, thereby optimizing the power transfer from source to load.
  • impingement attack — a form of corrosion of metals caused by erosion of the oxide layer by a moving fluid in which there are suspended particles or air bubbles
  • incidental charges — Incidental charges are costs of items and services that are not part of the main bill.
  • incidental damages — law: incurred by contract breach
  • inclusive language — language that avoids the use of certain expressions or words that might be considered to exclude particular groups of people, esp gender-specific words, such as "man", "mankind", and masculine pronouns, the use of which might be considered to exclude women
  • integrated circuit — a circuit of transistors, resistors, and capacitors constructed on a single semiconductor wafer or chip, in which the components are interconnected to perform a given function. Abbreviation: IC.
  • integrating factor — a factor that upon multiplying a differential equation with the right-hand side equal to zero makes the equation integrable, usually by making the resulting expression an exact differential of some function.
  • intelligence agent — a person who works for an intelligence agency; a spy
  • intercartilaginous — (anatomy) Within cartilage.
  • interchangeability — (of two things) capable of being put or used in the place of each other: interchangeable symbols.
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