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18-letter words containing v, i, r, l

  • diplomatic service — diplomatic corps
  • 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.
  • division of labour — a system of organizing the manufacture of an article in a series of separate specialized operations, each of which is carried out by a different worker or group of workers
  • 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
  • echeverria alvarez — Luis [lwees] /lwis/ (Show IPA), born 1922, Mexican political leader: president 1970–76.
  • eclipsing variable — a variable star whose changes in brightness are caused by periodic eclipses of two stars in a binary system.
  • 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
  • equivalent circuit — an arrangement of simple electrical components that is electrically equivalent to a complex circuit and is used to simplify circuit analysis
  • 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
  • financial services — A company or organization that provides financial services is able to help you do things such as make investments or buy a pension or mortgage.
  • fischer von erlach — Johann Bernhard [yaw-hahn bern-hahrt] /ˈyɔ hɑn ˈbɛrn hɑrt/ (Show IPA), 1656–1723, Austrian architect.
  • fissure of sylvius — lateral fissure.
  • formal equivalence — the relation that holds between two open sentences when their universal closures are materially equivalent
  • galvanic corrosion — Galvanic corrosion is a type of corrosion caused by bringing together two different metals, one of which corrodes more rapidly than it would alone while the other corrodes less rapidly.
  • general relativity — the state or fact of being relative.
  • governor's council — a council chosen to assist or inform a governor on legislative or executive matters.
  • 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.
  • 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.
  • heimlich manoeuvre — a technique in first aid to dislodge a foreign body in a person's windpipe by applying sudden upward pressure on the upper abdomen
  • hold a reservation — If a hotel holds a reservation, it keeps a room for someone, and does not give it to someone else.
  • individual liberty — the liberty of an individual to exercise freely those rights generally accepted as being outside of governmental control.
  • inductive relation — A relation R between domains D and E is inductive if for all chains d1 .. dn in D and e1 .. en in E,
  • industrial vehicle — a vehicle designed for use in industry
  • inverse square law — one of several laws relating two quantities such that one quantity varies inversely as the square of the other, as the law that the illumination produced on a screen by a point source varies inversely as the square of the distance of the screen from the source.
  • invisible earnings — earnings from services provided rather than goods
  • involuntary muscle — muscle: contracts involuntarily
  • irregular variable — a variable star whose brightness variation is irregular.
  • isidore of seville — Saint (Isidorus Hispalensis) a.d. c570–636, Spanish archbishop, historian, and encyclopedist.
  • italian provincial — designating or of a style of rural, Italian furniture of the 18th and 19th cent., with straight lines and simple decoration, usually of fruitwood or mahogany
  • iverson's language — APL, which went unnamed for many years.
  • labrador retriever — one of a breed of retrievers having a short, thick, oily, solid black or yellow coat, raised originally in Newfoundland.
  • language universal — a trait or property of language that exists, or has the potential to exist, in all languages.
  • law of gravitation — a law stating that any two masses attract each other with a force equal to a constant (constant of gravitation) multiplied by the product of the two masses and divided by the square of the distance between them.
  • leave in the lurch — a situation at the close of various games in which the loser scores nothing or is far behind the opponent.
  • legislative branch — the branch of government having the power to make laws; the legislature.
  • lifesaving service — a private organization or government agency for general marine rescue operations.
  • limited government — confined within limits; restricted or circumscribed: a limited space; limited resources.
  • linear perspective — a mathematical system for representing three-dimensional objects and space on a two-dimensional surface by means of intersecting lines that are drawn vertically and horizontally and that radiate from one point (one-point perspective) two points (two-point perspective) or several points on a horizon line as perceived by a viewer imagined in an arbitrarily fixed position.
  • lunitidal interval — the period of time between the moon's transit and the next high lunar tide.
  • margaret of valois — ("Queen Margot") 1533–1615, 1st wife of Henry IV of France: queen of Navarre; patron of science and literature (daughter of Henry II of France and Catherine de' Medici).
  • mental reservation — an unexpressed doubt or qualification about a situation, person, etc.
  • microenvironmental — Pertaining to a microenvironment.
  • microgravitational — Of or pertaining to microgravitation.
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