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18-letter words containing p, a, v

  • mordovian republic — a constituent republic of W central Russia, in the middle Volga basin. Capital: Saransk. Pop: 888 700 (2002). Area: 26 200 sq km (10 110 sq miles)
  • move the goalposts — to change the aims of an activity to ensure the desired results
  • myeloproliferative — (medicine) of or pertaining to the presence of an abnormal proliferation of myelopoietic cells (from bone marrow).
  • netscape navigator — (networking, tool, product)   /Mozilla/ (Often called just "Netscape") A web browser from Netscape Communications Corporation. The first beta-test version was released free to the Internet on 13 October 1994. Netscape evolved from NCSA Mosaic (with which it shares at least one author) and runs on the X Window System under various versions of Unix, on Microsoft Windows and on the Apple Macintosh. It features integrated support for sending electronic mail and reading Usenet news, as well as RSA encryption to allow secure communications for commercial applications such as exchanging credit card numbers with net retailers. It provides multiple simultaneous interruptible text and image loading; native inline JPEG image display; display and interaction with documents as they load; multiple independent windows. Netscape was designed with 14.4 kbps modem links in mind. You can download Netscape Navigator for evaluation, or for unlimited use in academic or not-for-profit environments. You can also pay for it. Version: 1.0N. E-mail: <[email protected]>.
  • neurodevelopmental — Of or pertaining to the development of neurological pathways in the brain.
  • 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 The floppy disk has been replaced by optical media due to its vastly greater capacity, e.g. 50,000 megabytes for a dual-layer blu-ray disc compared with 1.5 megabytes for a floppy (over 30,000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.
  • over-pronunciation — to pronounce (a word, syllable, etc.) in an exaggerated, affected, or excessively careful manner.
  • overcapitalization — The state of being overcapitalized.
  • overhead projector — over one's head; aloft; up in the air or sky, especially near the zenith: There was a cloud overhead.
  • overinterpretation — the act of interpreting; elucidation; explication: This writer's work demands interpretation.
  • overpressurization — pressure in excess of normal atmospheric pressure, as that caused by an explosion's shock wave or created in an accelerating airplane.
  • overrepresentation — to give too much representation to; represent in numbers that are disproportionately high.
  • 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 derivative — the derivative of a function with respect to one of its variables with all other variables held constant.
  • 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.
  • partial-vegetarian — a person who eats mostly plant foods, dairy products, and eggs, and occasionally chicken, fish, and red meat.
  • particular average — a loss at sea, as through accident or negligence, that is borne solely by the owner of the lost property. Abbreviation: P.A.
  • passive euthanasia — a form of euthanasia in which medical treatment that will keep a dying patient alive for a time is withdrawn
  • passive resistance — opposition to a government or to specific governmental laws by the use of noncooperation and other nonviolent methods, as economic boycotts and protest marches.
  • passive vocabulary — all the words, collectively, that a person can understand
  • passive-aggressive — denoting or pertaining to a personality type or behavior marked by the expression of negative emotions in passive, indirect ways, as through manipulation or noncooperation: a passive-aggressive employee who often misses deadlines.
  • pave the way (for) — to prepare the way (for); facilitate the introduction (of)
  • payment in advance — If a business asks for payment in advance, the payment must be received in full before the goods or services are delivered.
  • peak-to-peak value — Peak-to-peak value is the maximum voltage change occurring during one cycle of alternating voltage or current.
  • pemphigus vulgaris — a potentially fatal blistering skin disease, characterized by large blisters on the skin, mucous membranes of the mouth, genitals, intestines, etc, which eventually rupture and form painful denuded areas from which critical amounts of bodily protein, fluid, and blood may be lost
  • pennsylvania dutch — the descendants of 17th- and 18th-century settlers in Pennsylvania from southwest Germany and Switzerland.
  • physical inventory — To carry out a physical inventory is to count all the stock on hand.
  • plenum ventilation — a system of mechanical ventilation in which fresh air is forced into the spaces to be ventilated from a chamber (plenum chamber) at a pressure slightly higher than atmospheric pressure, so as to expel foul air.
  • pneumatic conveyor — a tube through which powdered or granular material, such as cement, grain, etc is transported by a flow of air
  • 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
  • pound the pavement — a paved road, highway, etc.
  • 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.
  • preservation order — In Britain, a preservation order is an official order that makes it illegal for anyone to alter or destroy something such as an old building or an area of countryside.
  • private enterprise — free enterprise (def 1).
  • 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
  • provision merchant — a person or company in the business of retailing food and other provisions
  • psychogalvanometer — a type of galvanometer for detecting and measuring psychogalvanic currents.
  • puvis de chavannes — Puvis de [py-vee duh] /püˈvi də/ (Show IPA), Puvis de Chavannes, Pierre.
  • quarter-wave plate — a crystal thin enough to cause a phase difference of 90° between the ordinary and extraordinary rays of polarized light, thereby converting circularly polarized light into plane polarized light.
  • rapid eye movement — rapidly shifting, continuous movements of the eyes beneath closed lids during the stage of sleep characterized by dreaming.
  • reactive component — the component in an alternating-current circuit that does not contribute power because it is 90° out of phase with the voltage or current.
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