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17-letter words containing d, e, p, r, i

  • private education — education provided by a private individual or organization, rather than by the state or a public body
  • production number — a specialty number or routine, usually performed by the entire cast consisting of musicians, singers, dancers, stars, etc., of a musical comedy, vaudeville show, or the like.
  • production system — (programming)   A production system consists of a collection of productions (rules), a working memory of facts and an algorithm, known as forward chaining, for producing new facts from old. A rule becomes eligible to "fire" when its conditions match some set of elements currently in working memory. A conflict resolution strategy determines which of several eligible rules (the conflict set) fires next. A condition is a list of symbols which represent constants, which must be matched exactly; variables which bind to the thing they match and "<> symbol" which matches a field not equal to symbol. Example production systems are OPS5, CLIPS, flex.
  • production values — the quality of a media production (such as a film) in regards to elements such as colours, quality, style, etc
  • proficiency badge — an insignia or device granted by the Girl Scouts and worn especially on a uniform to indicate special achievement.
  • proof of identity — a document or documents used to verify someone's identity
  • propanedioic acid — a colourless crystalline compound occurring in sugar beet. Formula: C3H4O4,CH2(COOH)2
  • proprietary brand — a brand of product that is privately owned and controlled
  • protected species — a species of animal or plant which it is forbidden by law to harm or destroy
  • pseudepigraphical — certain writings (other than the canonical books and the Apocrypha) professing to be Biblical in character.
  • pseudo-aggressive — characterized by or tending toward unprovoked offensives, attacks, invasions, or the like; militantly forward or menacing: aggressive acts against a neighboring country.
  • pseudo-democratic — pertaining to or of the nature of democracy or a democracy.
  • pseudo-historical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
  • pseudo-moralistic — a person who teaches or inculcates morality.
  • pterygoid process — either of two long bony plates extending downwards from each side of the sphenoid bone within the skull
  • pudding-pipe tree — golden shower.
  • pull your head in — be quiet!
  • purdue university — http://purdue.edu/.
  • purely and simply — You use purely and simply to emphasize that the thing you are mentioning is the only thing involved.
  • purple granadilla — the edible fruit of any of several species of passionflower, especially Passiflora edulis (purple granadilla) or P. quadrangularis (giant granadilla)
  • 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.
  • radial (ply) tire — a motor vehicle tire having a foundation of plies of rubberized cords running at right angles to the center line of the tread: it provides better handling, etc. than a bias ply tire
  • radiation pattern — the graphic representation of the strength and direction of electromagnetic radiation in the vicinity of a transmitting aerial
  • radiation therapy — x-rays used as treatment
  • radiative capture — the capture of a particle, as a neutron, by a nucleus, inducing the emission of electromagnetic radiation, as a gamma ray.
  • radio in the loop — Wireless Local Loop
  • radio-transparent — transparent to radiation; invisible in x-ray photographs and under fluoroscopy (opposed to radiopaque).
  • radiometeorograph — a device for the automatic transmission by radio of the data from a set of meteorological instruments
  • redemption center — a commercial establishment at which trading stamps of a specific brand may be exchanged for merchandise.
  • reformed spelling — a revised orthography intended to simplify the spelling of English words, especially to eliminate unpronounced letters, as by substituting thru for through, tho for though, slo for slow, etc.
  • refractory period — a short period after a nerve or muscle cell fires during which the cell cannot respond to additional stimulation.
  • repeating decimal — a decimal numeral that, after a certain point, consists of a group of one or more digits repeated ad infinitum, as 2.33333 …. or 23.0218181818 ….
  • reported question — A reported question is a question which is reported using a clause beginning with a word such as 'why' or 'whether', as in 'I asked her why she'd done it'.
  • reproductive cell — gamete.
  • reverse apartheid — a perceived bias against White people following the end of Apartheid
  • rhodope mountains — a mountain range in SE Europe, in the Balkan Peninsula extending along the border between Bulgaria and Greece. Highest peak: Golyam Perelik (Bulgaria), 2191 m (7188 ft)
  • round-trip ticket — a ticket entitling a passenger to travel to his or her destination and back again
  • sacrifice paddock — a grassed area allowed to be grazed completely, to be cultivated and resown later
  • self-depreciating — self-deprecating.
  • self-reproduction — the act or process of reproducing.
  • serendipity berry — miracle fruit (def 2).
  • sexual dimorphism — the condition in which the males and females in a species are morphologically different, as with many birds.
  • six-speed gearbox — a gearbox containing a system of six gears
  • sleep deprivation — a condition in which you have not had enough sleep
  • sodium propionate — a transparent, crystalline, water-soluble powder, C 3 H 5 NaO 2 , used in foodstuffs to prevent mold growth, and in medicine as a fungicide.
  • sodium pyroborate — borax1 .
  • spectroradiometer — an instrument for determining the radiant-energy distribution in a spectrum, combining the functions of a spectroscope with those of a radiometer.
  • spectrum disorder — any of a group of disorders each having symptoms that occur on a continuum and certain features that are shared along its spectrum but that manifest in markedly different forms and degrees. See also autism spectrum disorder.
  • speed restriction — the maximum speed allowed for road vehicles, trains, or other vehicles
  • spiny-headed worm — any of a small group of endoparasites of the phylum Acanthocephala, as larvae parasitic in insects and crustaceans and as adults in various vertebrates.
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