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

  • 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).
  • picture moulding — the edge around a framed picture
  • 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
  • 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.
  • 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
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • prosecution case — the case brought against someone by a legal authority
  • 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.
  • public relations — (used with a plural verb) the actions of a corporation, store, government, individual, etc., in promoting goodwill between itself and the public, the community, employees, customers, etc.
  • public transport — fare-paying travel
  • pull the strings — be in control
  • punctuation mark — any of a group of conventional marks or characters used in punctuation, as the period, comma, semicolon, question mark, or dash.
  • purchasing agent — a person who buys materials, supplies, equipment, etc., for a company.
  • put one's oar in — to interfere or interrupt
  • pyroconductivity — conductivity brought about by the application of heat, especially in solids that are not conductors at normal temperatures.
  • quadricentennial — of, relating to, or marking the completion of a period of four hundred years.
  • quarter sessions — an English court of general criminal jurisdiction for crimes less than homicide, held quarterly.
  • quarter-finalist — A quarter-finalist is a person or team that is competing in a quarter-final.
  • quasi-stationary — a person or thing that is stationary.
  • quatercentennial — pertaining to or marking a period of 400 years.
  • quiet revolution — a period during the 1960s in Quebec, marked by secularization, educational reforms, and rising support for separation from the rest of Canada
  • radium emanation — (formerly) radon.
  • radius of action — the maximum distance that a ship, aircraft, or land vehicle can travel from its base and return without refuelling
  • rambunctiousness — difficult to control or handle; wildly boisterous: a rambunctious child.
  • rating community — an online community based around a website that allows members to rate each other's photographs, qualifications, etc, as well as those of applicants, and which only those approved by existing members are allowed to join
  • rattle around in — to live or work in (a house, office, etc.) that is too big for one's needs
  • reaction turbine — a turbine driven by the reactive force of a fluid passing through the rotor blades.
  • rearguard action — an action fought by a rearguard
  • reconceptualized — to form into a concept; make a concept of.
  • recording studio — place where music is recorded
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