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18-letter words containing i, v, t

  • division algorithm — the theorem that an integer can be written as the sum of the product of two integers, one a given positive integer, added to a positive integer smaller than the given positive integer. Compare Euclidean algorithm.
  • do not give a hoot — If you say that you don't give a hoot or don't care two hoots about something, you are emphasizing that you do not care at all about it.
  • double achievement — a representation of the arms of a husband beside those of his wife such that a difference of rank between them is shown.
  • dragline excavator — a power shovel that operates by being dragged by cables at the end of an arm or jib: used for quarrying, opencast mining, etc
  • driver's education — high-school driving classes
  • driving instructor — sb who teaches people to drive
  • ecosystem services — the important benefits for human beings that arise from healthily functioning ecosystems, notably production of oxygen, soil genesis, and water detoxification
  • elizabeth petrovna — 1709-62; empress of Russia (1741-62): daughter of Peter I
  • emergent evolution — the doctrine that, in the course of evolution, some entirely new properties, such as life and consciousness, appear at certain critical points, usually because of an unpredictable rearrangement of the already existing entities
  • employment service — (in the United States) a government department established to collect and supply to the unemployed information about job vacancies and to employers information about availability of prospective workers
  • enantioselectivity — (chemistry) The selectivity of a reaction towards one of a pair of enantiomers.
  • environment agency — an official agency providing information on environmental issues, esp rivers, flooding and pollution
  • epstein-barr virus — a virus belonging to the herpes family that causes infectious mononucleosis; it is also implicated in the development of Burkitt's lymphoma and Hodgkin's disease
  • equivalent circuit — an arrangement of simple electrical components that is electrically equivalent to a complex circuit and is used to simplify circuit analysis
  • essence of violets — an alcoholic solution derived from violets, used as perfume
  • ethical investment — an investment in a company whose activities or products are not considered by the investor to be unethical
  • euglenoid movement — the expansion and contraction of the cell body of various flagellates
  • evapotranspiration — The process by which water is transferred from the land to the atmosphere by evaporation from the soil and other surfaces and by transpiration from plants.
  • evolution strategy — (ES) A kind of evolutionary algorithm where individuals (potential solutions) are encoded by a set of real-valued "object variables" (the individual's "genome"). For each object variable an individual also has a "strategy variable" which determines the degree of mutation to be applied to the corresponding object variable. The strategy variables also mutate, allowing the rate of mutation of the object variables to vary. An ES is characterised by the population size, the number of offspring produced in each generation and whether the new population is selected from parents and offspring or only from the offspring. ES were invented in 1963 by Ingo Rechenberg, Hans-Paul Schwefel at the Technical University of Berlin (TUB) while searching for the optimal shapes of bodies in a flow.
  • exclusive brethren — one of the two main divisions of the Plymouth Brethren, which, in contrast to the Open Brethren, restricts its members' contacts with those outside the sect
  • executive chairman — the most senior internal position within a company, combining the duties of chairman and chief executive
  • executive decision — a decision made by a person or group that has executive power
  • executive director — a member of the board of directors of a company who is also an employee (usually full-time) of that company and who often has a specified area of responsibility, such as finance or production
  • executive producer — a producer of a film or television programme who is involved with business or technical issues rather than the technical aspects of film or television production
  • exhaustive testing — (programming)   Executing a program with all possible combinations of inputs or values for program variables.
  • forced perspective — the use of objects or images that are larger or smaller than they should be, to suggest that they are nearer or further away than they really are
  • foreign investment — investment from foreign countries
  • forgive and forget — be reconciled
  • general relativity — the state or fact of being relative.
  • generative grammar — a linguistic theory that attempts to describe the tacit knowledge that a native speaker has of a language by establishing a set of explicit, formalized rules that specify or generate all the possible grammatical sentences of a language, while excluding all unacceptable sentences. Compare transformational grammar.
  • 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.
  • geodetic surveying — the surveying of the earth's surface, making allowance for its curvature and giving an accurate framework for smaller-scale surveys
  • give sb the creeps — If someone or something gives you the creeps, they make you feel very nervous or frightened.
  • give sb their head — If you give someone their head, you allow them to do what they want to do, without trying to advise or stop them.
  • give the game away — to reveal one's intentions or a secret
  • government deficit — A government deficit is a situation in which a government spends more money than it has.
  • government housing — housing owned and managed by the federal or state government, which is rented out to tenants, esp as a form of affordable housing
  • gravitational lens — a heavy, dense body, as a galaxy, that lies along our line of sight to a more distant object, as a quasar, and whose gravitational field refracts the light of that object, splitting it into multiple images as seen from the earth.
  • gravitational mass — the mass of a body as measured by its gravitational attraction for other bodies.
  • gravitational pull — force of gravity
  • gravitational wave — (in general relativity) a propagating wave of gravitational energy produced by accelerating masses, especially during catastrophic events, as the gravitational collapse of massive stars.
  • 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.
  • gulf saint vincent — a shallow inlet of SE South Australia, to the east of the Yorke Peninsula: salt industry
  • gulliver's travels — a social and political satire (1726) by Jonathan Swift, narrating the voyages of Lemuel Gulliver to four imaginary regions: Lilliput, Brobdingnag, Laputa, and the land of the Houyhnhnms.
  • half-open interval — a set of numbers between two given numbers but including only one endpoint.
  • have (got) it made — to be assured of success
  • have a hand in sth — If you have a hand in something such as an event or activity, you are involved in it.
  • have a thing about — If you have a thing about someone or something, you have very strong feelings about them.
  • have no hesitation — If you say that you have no hesitation in doing something, you are emphasizing that you will do it immediately or willingly because you are certain that it is the right thing to do.
  • have what it takes — be able or qualified for sth
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