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16-letter words containing u, r, t, i

  • paratuberculosis — Johne's disease.
  • partial function — A function which is not defined for all arguments of its input type. E.g. f(x) = 1/x if x /= 0. The opposite of a total function. In denotational semantics, a partial function f : D -> C may be represented as a total function ft : D' -> lift(C) where D' is a superset of D and ft x = f x if x in D ft x = bottom otherwise where lift(C) = C U bottom. Bottom (LaTeX \perp) denotes "undefined".
  • partial pressure — the pressure that a gas in a mixture of gases would exert if it occupied the same volume as the mixture at the same temperature.
  • peninsular state — Florida (used as a nickname).
  • period furniture — furniture that was made during a particular period in time
  • permaculturalist — a system of cultivation intended to maintain permanent agriculture or horticulture by relying on renewable resources and a self-sustaining ecosystem.
  • perpendicularity — vertical; straight up and down; upright.
  • perpetual motion — the motion of a theoretical mechanism that, without any losses due to friction or other forms of dissipation of energy, would continue to operate indefinitely at the same rate without any external energy being applied to it.
  • personal tuition — private tuition
  • personality cult — deliberately cultivated adulation of a person, esp a political leader
  • peruvian rhatany — See under rhatany (def 1).
  • phosphor fatigue — screen saver
  • photoautotrophic — any organism that derives its energy for food synthesis from light and is capable of using carbon dioxide as its principal source of carbon.
  • phytosuccivorous — feeding on sap, as certain sucking insects.
  • picture moulding — the edge around a framed picture
  • picture postcard — postcard (def 1).
  • pietermaritzburg — a province in the E part of the Republic of South Africa. 35,284 sq. mi. (91,886 sq. km). Capital: Pietermaritzburg.
  • pilot production — sth produced on a trial basis
  • pineal apparatus — a median outgrowth of the roof of the diencephalon in vertebrates that in some develops into the pineal eye and in others into the pineal gland.
  • piscis austrinus — a small constellation in the S hemisphere lying between Aquarius and Grus and containing the first-magnitude star Fomalhaut
  • pit bull terrier — American Staffordshire terrier.
  • platinum-iridium — (standard)   A standard, against which all others of the same category are measured. Usage: silly. The notion is that one of whatever it is has actually been cast in platinum-iridium alloy and placed in the vault beside the Standard Kilogram at the International Bureau of Weights and Measures near Paris, as the bar defining the standard metre once was. "This garbage collection algorithm has been tested against the platinum-iridium cons cell in Paris." Compare golden.
  • plutarch's lives — (Parallel Lives) a collection (a.d. 105–15) by Plutarch of short biographies of the leading political figures of ancient Greece and Rome.
  • pneumatic trough — a trough filled with liquid, especially water, for collecting gases in bell jars or the like by displacement.
  • poitou-charentes — a region of W central France, on the Bay of Biscay: mainly low-lying
  • port authorities — the body with overall responsibility for a port
  • portuguese india — a former Portuguese overseas territory on the W coast of India, consisting of the districts of Gôa, Daman, and Diu: annexed by India December 1961. Capital: Gôa.
  • portuguese timor — former (1914-75) Portuguese territory in the Malay Archipelago
  • postremogeniture — a system of inheritance under which the estate of a deceased person goes to his youngest son. Also called ultimogeniture. Compare primogeniture (def 2).
  • pourriture noble — noble rot.
  • powerfully built — (of a person, esp a man) big and physically strong, with large muscles
  • praetorian guard — the bodyguard of a military commander, especially the imperial guard stationed in Rome.
  • pre-subscription — a sum of money given or pledged as a contribution, payment, investment, etc.
  • prerevolutionary — of, pertaining to, characterized by, or of the nature of a revolution, or a sudden, complete, or marked change: a revolutionary junta.
  • pressurized suit — an airtight suit that can be inflated to maintain approximately normal atmospheric pressure on a person in space or at high altitudes.
  • presumptive heir — heir presumptive.
  • preunderstanding — to perceive the meaning of; grasp the idea of; comprehend: to understand Spanish; I didn't understand your question.
  • primary industry — an industry, as agriculture, forestry, or fishing, that deals in obtaining natural materials.
  • primitive church — the early Christian church, especially in reference to its earliest form and organization.
  • print journalism — journalism as practiced in newspapers and magazines.
  • private judgment — personal opinion formed independently of the expressed position of an institution, as in matters of religion or politics.
  • private language — a language that is not merely secret or accidentally limited to one user, but that cannot in principle be communicated to another
  • process industry — business of treating raw materials
  • production costs — the costs used in manufacturing a product
  • project guardian — (project, security)   A project which grew out of the ARPA support for Multics and the sale of Multics systems to the US Air Force. The USAF wanted a system that could be used to handle more than one security classification of data at a time. They contracted with Honeywell and MITRE Corporation to figure out how to do this. Project Guardian led to the creation of the Access Isolation Mechanism, the forerunner of the B2 labeling and star property support in Multics. The DoD Orange Book was influenced by the experience in building secure systems gained in Project Guardian.
  • propylthiouracil — a white crystalline compound, C 7 H 1 0 N 2 OS, that interferes with the synthesis of thyroid hormone by the thyroid gland: used in the treatment of hyperthyroidism.
  • prosecution case — the case brought against someone by a legal authority
  • prosthetic group — the nonprotein acid constituent of a conjugate protein, as the heme group of hemoglobin.
  • proto-algonquian — the unattested parent language from which the Algonquian languages are descended.
  • proxima centauri — the nearest star to the sun at a distance of 4.3 light-years, part of the Alpha Centauri triple-star system located in the constellation Centaurus.
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