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18-letter words containing a, t, v

  • 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
  • electrovalent bond — a type of chemical bond in which one atom loses an electron to form a positive ion and the other atom gains the electron to form a negative ion. The resulting ions are held together by electrostatic attraction
  • elizabeth petrovna — 1709-62; empress of Russia (1741-62): daughter of Peter I
  • 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
  • ethical investment — an investment in a company whose activities or products are not considered by the investor to be unethical
  • 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.
  • every now and then — from time to time; occasionally
  • 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.
  • executive chairman — the most senior internal position within a company, combining the duties of chairman and chief executive
  • exhaustive testing — (programming)   Executing a program with all possible combinations of inputs or values for program variables.
  • federal government — pertaining to or of the nature of a union of states under a central government distinct from the individual governments of the separate states, as in federal government; federal system.
  • 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.
  • 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
  • grand traverse bay — an inlet of Lake Michigan on the NW of the Lower Peninsula of Michigan.
  • 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 slate loose — to be eccentric or crazy
  • have a thing about — If you have a thing about someone or something, you have very strong feelings about them.
  • have by the throat — to have compete control over (a person or thing)
  • have got to do sth — You use have got to when you are saying that something is necessary or must happen in the way stated. In informal American English, the 'have' is sometimes omitted.
  • have money to burn — to have more money than one needs, so that some can be spent foolishly
  • 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 one's moments — If you say that someone or something has their moments, you are indicating that there are times when they are successful or interesting, but that this does not happen very often.
  • have the better of — of superior quality or excellence: a better coat; a better speech.
  • have two left feet — to be very clumsy
  • have what it takes — be able or qualified for sth
  • have words with sb — If one person has words with another, or if two or more people have words, they have a serious discussion or argument, especially because one has complained about the other's behaviour.
  • have/be to do with — If you say that one thing has something to do with or is something to do with another thing, you mean that the two things are connected or that the first thing is about the second thing.
  • heavy middleweight — a professional wrestler weighing 177–187 pounds (81–85 kg)
  • hit-and-run driver — sb: leaves accident scene
  • hold a reservation — If a hotel holds a reservation, it keeps a room for someone, and does not give it to someone else.
  • homelands movement — the programme to resettle native Australians on their tribal lands
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