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17-letter words containing t, r, u

  • periodic function — a function of a real or complex variable that is periodic.
  • permanent account — A permanent account is an account which carries its balance and is kept open from year to year.
  • permutation group — a mathematical group whose elements are permutations and in which the product of two permutations is the same permutation as is obtained by performing them in succession.
  • perpetual spinach — a variety of spinach that keeps producing edible leaves
  • personal computer — a compact computer that uses a microprocessor and is designed for individual use, as by a person in an office or at home or school, for such applications as word processing, data management, financial analysis, or computer games. Abbreviation: PC.
  • personal equation — the tendency to personal bias that accounts for variation in interpretation or approach and for which allowance must be made.
  • petit bourgeoisie — The petit bourgeoisie are people in the lower middle class.
  • petite bourgeoise — a woman who belongs to the petite bourgeoisie.
  • petty bourgeoisie — the section of the middle class with the lowest social status, generally composed of shopkeepers, lower clerical staff, etc
  • phlebotomus fever — sandfly fever.
  • photo opportunity — a brief period set aside for the media to take photographs of a high government official or celebrity, usually immediately before or after a newsworthy event.
  • photofluorography — photography of images produced by a fluoroscopic examination, used in x-ray examination of the lungs of large groups of people.
  • phototherapeutics — the branch of therapeutics that deals with the curative use of light rays.
  • picture messaging — Picture messaging is the sending of photographs or pictures from one mobile phone to another.
  • pinpoint accuracy — extreme accuracy
  • pittsburg landing — a village in SW Tennessee, on the Tennessee River: battle of Shiloh in 1862.
  • pituitary extract — a preparation of the pituitary gland, used in medicine for the therapeutic effects of its hormones
  • plastics industry — the industry that makes plastics
  • plateau's problem — the problem in the calculus of variations of finding the surface with the least area bounded by a given closed curve in space.
  • plug and feathers — an apparatus for splitting stone, consisting of two tapered bars (feathers) inserted into a hole drilled into the stone, between which a narrow wedge (plug) is hammered to spread them.
  • plumbing fixtures — things such as pipes, sinks, toilets that are fixed in position in a building
  • plymouth brethren — a religious sect founded c. 1827, strongly Puritanical in outlook and prohibiting many secular occupations for its members. It combines elements of Calvinism, Pietism, and millenarianism, and has no organized ministry
  • pocket calculator — an electronic calculator small enough to be carried on one's person.
  • point of purchase — designating or in use at a retail outlet where an item can be purchased; point-of-sale: point-of-purchase displays to entice the buyer.
  • point-of-purchase — designating or in use at a retail outlet where an item can be purchased; point-of-sale: point-of-purchase displays to entice the buyer.
  • political refugee — a person who has fled from a homeland because of political persecution.
  • polyvinyl butyral — a white, water-insoluble, polyvinyl acetal made with butyraldehyde, used chiefly as an interlayer in the manufacture of safety glass.
  • popular etymology — folk etymology.
  • portable computer — (computer)   (Commonly, "laptop") A portable personal computer you can carry with one hand. Some laptops run so hot that it would be quite uncomforable to actually use them on your lap for long. The term "notebook" is often used to describe these, though it also implies a low weight (less than 2kg). A "luggable" is one you could carry in one hand but is so heavy you wouldn't want to. One that can by easily operated while held in one hand is a "palmtop". The computer considered by most historians to be the first true portable computer was the Osborne 1 but see the link below for other contenders.
  • porterhouse steak — large cut of beef loin
  • portmanteau morph — a phonological unit of more than one morpheme, as French au to (him) from a to + le masculine article, which realizes a preposition and the definite article; a single morph that is analyzed as representing two underlying morphemes.
  • portuguese guinea — former name of Guinea-Bissau.
  • post-resurrection — the act of rising from the dead.
  • postbaccalaureate — bachelor's degree.
  • poststructuralism — a variation of structuralism, often seen as a critique, emphasizing plurality of meaning and instability of concepts that structuralism uses to define society, language, etc.
  • postural drainage — a therapy for clearing congested lungs by placing the patient in a position for drainage by gravity, often accompanied by percussion with hollowed hands.
  • potassium bromate — a white, crystalline, water-soluble powder, KBrO 3 , used chiefly as an oxidizing agent and as an analytical reagent.
  • potassium bromide — a white, crystalline, water-soluble powder, KBr, having a bitter saline taste: used chiefly in the manufacture of photographic papers and plates, in engraving, and in medicine as a sedative.
  • potassium nitrate — a crystalline compound, KNO 3 , produced by nitrification in soil, and used in gunpowders, fertilizers, and preservatives; saltpeter; niter.
  • poulter's measure — a metrical pattern using couplets having the first line in iambic hexameter, or 12 syllables, and the second in iambic heptameter, or 14 syllables.
  • powder metallurgy — the art or science of manufacturing useful articles by compacting metal and other powders in a die, followed by sintering.
  • power supply unit — (hardware)   (PSU) An electronic module that converts high voltage (110 or 240 VAC) alternating current mains electricity into smoothed direct current at the various differnt voltages required by the motherboard; internal peripheral devices, cheifly storage devices: hard disks, CD or DVD, floppy disks and external connections such as USB. A PSU needs a high enough power output rating to supply all the devices connected to it and should output as little as possible electrical noise, both on the output wires and as electromagnetic radiation. See also uninterruptable power supply.
  • pre-authorization — the act of authorizing.
  • pre-communication — the act or process of communicating; fact of being communicated.
  • pre-configuration — the relative disposition or arrangement of the parts or elements of a thing.
  • pre-qualification — a quality, accomplishment, etc., that fits a person for some function, office, or the like.
  • pre-revolutionary — of, pertaining to, characterized by, or of the nature of a revolution, or a sudden, complete, or marked change: a revolutionary junta.
  • prerogative court — a former ecclesiastical court in England and Ireland for the trial of certain testamentary cases.
  • prescription drug — medication available only on doctor's instruction
  • pressure altitude — the altitude for a given pressure in a standard atmosphere, such as that registered by a pressure altimeter.
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