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18-letter words containing t, e, l, v, a

  • 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
  • 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.
  • 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
  • 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.
  • 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.
  • general relativity — the state or fact of being relative.
  • 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 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.
  • 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 a slate loose — to be eccentric or crazy
  • have two left feet — to be very clumsy
  • heavy middleweight — a professional wrestler weighing 177–187 pounds (81–85 kg)
  • 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
  • i'll give you that — You say I'll give you that to indicate that you admit that someone has a particular characteristic or ability.
  • 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
  • invalidity benefit — (formerly, in the British National Insurance scheme) a weekly payment to a person who had been off work through illness for more than six months: replaced by incapacity benefit in 1995
  • investment analyst — a specialist in forecasting the prices of stocks and shares
  • involuntary muscle — muscle: contracts involuntarily
  • labrador retriever — one of a breed of retrievers having a short, thick, oily, solid black or yellow coat, raised originally in Newfoundland.
  • leave in the lurch — a situation at the close of various games in which the loser scores nothing or is far behind the opponent.
  • leave sth too late — If you leave something too late, you delay doing it so that when you eventually do it, it is useless or ineffective.
  • legislative branch — the branch of government having the power to make laws; the legislature.
  • lenient evaluation — (reduction)   An evaluation strategy, described in [Traub, FPCA 89], under which all redexes are evaluated in parallel except inside the arms of conditionals and inside lambda abstractions. Lenient evaluation is an example of an eager evaluation strategy.
  • lily of the valley — a plant, Convallaria majalis, having an elongated cluster of small, drooping, bell-shaped, fragrant white flowers.
  • limestone pavement — a horizontal surface of exposed limestone in which the joints have been enlarged, cutting the surface into roughly rectangular blocks
  • limiting adjective — (in English and some other languages) one of a small group of adjectives that modify the nouns to which they are applied by restricting rather than describing or qualifying. This, some, and certain are limiting adjectives.
  • 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.
  • lowell observatory — the astronomical observatory, situated in Flagstaff, Arizona, at which Pluto was discovered in 1930.
  • lunitidal interval — the period of time between the moon's transit and the next high lunar tide.
  • maksutov telescope — a reflecting telescope in which coma and spherical aberration are reduced to a minimum by a combination of a spherical mirror and a meniscus lens placed inside the radius of curvature of the mirror.
  • 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.
  • montgomery village — a city in central Maryland.
  • move the goalposts — to change the aims of an activity to ensure the desired results
  • mutually exclusive — of or relating to a situation involving two or more events, possibilities, etc., in which the occurrence of one precludes the occurrence of the other: mutually exclusive plans of action.
  • mutually recursive — recursion
  • myeloproliferative — (medicine) of or pertaining to the presence of an abnormal proliferation of myelopoietic cells (from bone marrow).
  • natural convection — Natural convection is the loss of heat from a hot solid or liquid into air which is not artificially agitated.
  • naval architecture — the science of designing ships and other waterborne craft.
  • negative cash flow — the situation when income is less than payments
  • neovascularization — the development of new blood vessels, especially in tissues where circulation has been impaired by trauma or disease.
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