17-letter words containing p, r, o, y, l
- particle velocity — the velocity of a point in a medium that is undergoing wave motion.
- pastoral symphony — the Symphony No. 6 in F major (1807–08) by Ludwig van Beethoven.
- pastoral theology — the branch of theology dealing with the responsibilities of members of the clergy to the people under their care.
- peacock butterfly — a European nymphalid butterfly, Inachis io, having reddish-brown wings each marked with a purple eyespot
- pentylenetetrazol — a white, crystalline, bitter-tasting, water-soluble powder, C 6 H 1 0 N 4 , used as a respiratory and circulatory stimulant, especially in the treatment of barbiturate poisoning, and to induce a convulsive state in the treatment of certain mental diseases.
- perchloroethylene — tetrachloroethylene.
- peridot of ceylon — a honey-colored tourmaline, used as a gem: not a true peridot.
- personal property — an estate or property consisting of movable articles both corporeal, as furniture or jewelry, or incorporeal, as stocks or bonds (distinguished from real property).
- personality clash — friction between two people who have different personalities or points of view
- pharmacologically — the science dealing with the preparation, uses, and especially the effects of drugs.
- phenylformic acid — benzoic acid.
- philanthropically — of, pertaining to, engaged in, or characterized by philanthropy; benevolent: a philanthropic foundation.
- photofluorography — photography of images produced by a fluoroscopic examination, used in x-ray examination of the lungs of large groups of people.
- 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
- point reyes lilac — a prostrate shrub, Ceanothus gloriosus, of southern California, having leathery, roundish leaves and purplish or deep-blue flowers.
- political liberty — the right to express oneself freely and effectually regarding the conduct, makeup, and principles of the government under which one lives.
- polyacrylonitrile — a polymer of acrylonitrile used in the manufacture of Orlon and other synthetic textiles.
- polymorphonuclear — (of a leukocyte) having a lobulate nucleus.
- polystyrene chips — small pieces of polystyrene used for insulating or packing
- 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.
- positive polarity — the grammatical characteristic of a word or phrase, such as delicious or rather, that may normally only be used in a semantically or syntactically positive or affirmative context
- postal stationery — an envelope, postal card, wrapper, or aérogramme, with the stamp printed directly on the paper.
- 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-revolutionary — of, pertaining to, characterized by, or of the nature of a revolution, or a sudden, complete, or marked change: a revolutionary junta.
- prior probability — the probability assigned to a parameter or to an event in advance of any empirical evidence, often subjectively or on the assumption of the principle of indifference
- probability curve — a curve that describes the distribution of probability over the values of a random variable.
- product liability — the responsibility of a manufacturer for injury or loss caused by its product.
- professional army — an army of trained soldiers
- prosperity gospel — a modern version or, according to some, perversion of the gospel according to which the full blessings of God available to those who approach Him in faith and obedience include wealth, health and power
- protocol analyser — (communications, hardware, networking, testing, tool) Any device that captures and interprets the network traffic between two or more connected computer systems. The traffic can then be decoded so that it is possible to see what processes are occurring. By examining the flow of traffic, protocol analysers can be used to find out where problems (such as bottlenecks or the failure of a network device) are on a LAN. Advanced protocol analysers can also provide statistics on the traffic that can help to identify trends that may in future lead to further problems with the network.
- psychographically — Psychology. a graph indicating the relative strength of the personality traits of an individual.
- psychoprophylaxis — Lamaze method.
- publicity officer — a person who is employed to get publicity for an organization, or to provide information about it
- pull your head in — be quiet!
- purple chokeberry — See under chokeberry (def 1).
- pyroligneous acid — a yellowish, acidic, water-soluble liquid, containing about 10 percent acetic acid, obtained by the destructive distillation of wood: used for smoking meats.
- pyrosulfuric acid — a strong, crystalline acid, H2S2O7, prepared commercially as a heavy, oily, fuming liquid: used in making explosives and dyes, as a sulfating agent, etc.
- pythagorean scale — the major scale as derived acoustically by Pythagoras from the perfect fifth.
- repertory catalog — a catalog containing bibliographic records that indicate locations of materials in more than one library or in several units of one library.
- republic of yemen — Republic of, a country in S Arabia, formed in 1990 by the merger of the Yemen Arab Republic and the People's Democratic Republic of Yemen. 207,000 sq. mi. (536,130 sq. km). Capital: Aden.
- reticulate python — a python, Python reticulatus, of southeastern Asia and the East Indies, sometimes growing to a length of 32 feet (10 meters): usually considered to be the largest snake in the world.
- role-playing game — a game in which participants adopt the roles of imaginary characters in an adventure under the direction of a Game Master.
- school playground — school's outdoor recreation area
- sensory paralysis — impairment or loss of sensation in a part or area of the body
- spectroscopically — an optical device for producing and observing a spectrum of light or radiation from any source, consisting essentially of a slit through which the radiation passes, a collimating lens, and an Amici prism.
- spherical polygon — a closed figure formed by arcs of great circles on a spherical surface.
- split keyboarding — the act or practice of editing data from one terminal on another terminal
- split personality — multiple personality.