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

  • 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.
  • neovascularization — the development of new blood vessels, especially in tissues where circulation has been impaired by trauma or disease.
  • non-conversational — able or ready to converse; given to conversation.
  • nonvolatile memory — computer memory that can retain stored information even when not powered, for example read-only memory
  • offensive material — any published or broadcast content (such as articles, photographs, films, or websites) that is likely to be upsetting, insulting, or objectionable to some or most people
  • operation overlord — the codename for the Allied invasion (June 1944) of northern France
  • optical disc drive — optical disk drive
  • optical disk drive — (hardware)   (Or "optical disc drive", "optical storage") A generic term for any device that reads and/or writes optical media, i.e. compact discs, DVDs and/or Blu-ray discs or future media that uses light (from a small laser) to read data off a removable, rotating disk. At least one such drive is commonly installed in most personal computers to allow them to play and/or record audio and video media and load and store data such as program installers. The floppy disk has been replaced by optical media due to its vastly greater capacity, e.g. 50,000 megabytes for a dual-layer blu-ray disc compared with 1.5 megabytes for a floppy (over 30,000 times as much).
  • oral contraceptive — birth-control pill.
  • over-extrapolation — to infer (an unknown) from something that is known; conjecture.
  • overcapitalization — The state of being overcapitalized.
  • overdraft facility — a facility (of a bank or building-society cheque account) that allows a withdrawal of money in excess of the account's credit balance
  • overgeneralization — the act or process of overgeneralizing.
  • overnight telegram — a type of domestic telegram sent at a reduced rate with a minimum charge for 10 words or less and accepted until midnight for delivery the following day.
  • overspecialization — excessive specialization, as in a field of study.
  • parallel evolution — the independent development of closely corresponding adaptive features in two or more groups of organisms that occupy different but equivalent habitats, as marsupial mammals in Australia and placental mammals on other continents.
  • partial evaluation — (compiler, algorithm)   (Or "specialisation") An optimisation technique where the compiler evaluates some subexpressions at compile-time. For example, Partial evaluation might change the termination properties of the program if, for example, the expression (x * 0) was reduced to 0 it would terminate even if x (and thus x * 0) did not. It may be necessary to reorder an expression to partially evaluate it, e.g. f x y = (x + y) + 1 g z = f 3 z If we rewrite f: f x y = (x + 1) + y then the expression x+1 becomes a constant for the function g and we can say g z = f 3 z = (3 + 1) + z = 4 + z Partial evaluation of built-in functions applied to constant arguments is known as constant folding. See also full laziness.
  • passive vocabulary — all the words, collectively, that a person can understand
  • physical inventory — To carry out a physical inventory is to count all the stock on hand.
  • positively charged — having a positive charge
  • post-revolutionary — of, pertaining to, characterized by, or of the nature of a revolution, or a sudden, complete, or marked change: a revolutionary junta.
  • postviral syndrome — debilitating condition occurring as a sequel to viral illness
  • prepositional verb — a combination of verb and preposition, often with idiomatic meaning, differing from other phrasal verbs in that an object must always follow the preposition, as take after in The children take after their mother.
  • provably difficult — The set or property of problems for which it can be proven that no polynomial-time algorithm exists, only exponential-time algorithms.
  • provascular tissue — procambium.
  • provincial council — (formerly) a council administering any of the New Zealand provinces
  • quality of service — (communications, networking)   (QoS) The performance properties of a network service, possibly including throughput, transit delay, priority. Some protocols allow packets or streams to include QoS requirements.
  • rabbit-foot clover — a plant, Trifolium arvense, having trifoliate leaves with narrow leaflets and fuzzy, cylindrical, grayish-pink flower heads.
  • racially motivated — motivated by (the hate or prejudice of) someone's race
  • relative major key — a major key that has the same key signature as a minor key, but a different tonic
  • relative minor key — a minor key that has the same key signature as a major key, but a different tonic
  • revolutionary wars — American Revolution.
  • russian revolution — Also called February Revolution. the uprising in Russia in March, 1917 (February Old Style), in which the Czarist government collapsed and a provisional government was established.
  • seasonal variation — season-related variation
  • selective abortion — the aborting of particular embryos for medical or social reasons
  • social environment — the environment developed by humans as contrasted with the natural environment; society as a whole, especially in its relation to the individual.
  • sodium-vapour lamp — a type of electric lamp consisting of a glass tube containing neon and sodium vapour at low pressure through which an electric current is passed to give an orange light. They are used in street lighting
  • solvent extraction — Solvent extraction is the separation of a particular substance from a mixture by dissolving that substance in a solvent that will dissolve it, but which will not dissolve any other substance in the mixture.
  • standard of living — a grade or level of subsistence and comfort in everyday life enjoyed by a community, class, or individual: The well-educated generally have a high standard of living.
  • teacher evaluation — the process of vetting teachers to maintain teaching standards
  • tender loving care — considerate and kindly care, as of someone who is ill, upset, etc
  • to play favourites — to display favouritism
  • to scrape a living — If you say that someone scrapes a living or scratches a living, you mean that they manage to earn enough to live on, but it is very difficult. In American English, you say they scrape out a living or scratch out a living.
  • turbine ventilator — a ventilator, usually mounted on the roof of a building, deck of a ship, etc., having at its head a globular, vaned rotor that is rotated by the wind, conveying air through a duct to and from a chamber below.
  • ulcerative colitis — chronic ulceration in the large intestine, characterized by painful abdominal cramps and profuse diarrhea containing pus, blood, and mucus.
  • ultraviolet filter — a filter used on a lens to absorb ultraviolet radiation that may impart an undesirable blue cast to a photograph.
  • universal coupling — a coupling between rotating shafts set at an angle to one another, allowing for rotation in three planes.
  • vicar of wakefield — a novel (1766) by Goldsmith.
  • victor emmanuel ii — 1820–78, king of Sardinia 1849–78; first king of Italy 1861–78.
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