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17-letter words containing o, p, e, i, d, s

  • prescription drug — medication available only on doctor's instruction
  • presiding officer — the person who presides over the Scottish Parliament or Welsh Assembly
  • 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
  • protected species — a species of animal or plant which it is forbidden by law to harm or destroy
  • 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-biological — pertaining to biology.
  • 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-humanistic — a person having a strong interest in or concern for human welfare, values, and dignity.
  • pseudo-moralistic — a person who teaches or inculcates morality.
  • pseudo-scientific — any of various methods, theories, or systems, as astrology, psychokinesis, or clairvoyance, considered as having no scientific basis.
  • psychoeducational — designating or of psychological methods, as intelligence tests, used in evaluating learning ability
  • pterygoid process — either of two long bony plates extending downwards from each side of the sphenoid bone within the skull
  • 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.
  • queen of puddings — a pudding made of moist but firm breadcrumb and custard mixture topped with jam and meringue
  • radio-transparent — transparent to radiation; invisible in x-ray photographs and under fluoroscopy (opposed to radiopaque).
  • 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.
  • 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'.
  • 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)
  • sable island pony — a variety of wild pony found on Sable Island, Nova Scotia
  • sacrifice paddock — a grassed area allowed to be grazed completely, to be cultivated and resown later
  • schmidt telescope — a wide-angle reflecting telescope used primarily for astronomical photography, in which spherical aberration and coma are reduced to a minimum by means of a spherical mirror with a corrector plate near its focus.
  • self-reproduction — the act or process of reproducing.
  • semisophisticated — somewhat sophisticated.
  • sexual dimorphism — the condition in which the males and females in a species are morphologically different, as with many birds.
  • shuttle diplomacy — diplomatic negotiations carried out by a mediator who travels back and forth between the negotiating parties.
  • 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 .
  • special education — education that is modified or particularized for those with singular needs, as disabled or maladjusted people, slow learners, or gifted children.
  • 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.
  • split keyboarding — the act or practice of editing data from one terminal on another terminal
  • split one's sides — to laugh very heartily
  • spondylolisthesis — the forward displacement of a vertebra.
  • spotted sandpiper — a North American sandpiper, Actitis macularia, that has brownish-gray upper parts and white underparts, and is spotted with black in the summer.
  • spread your wings — if you spread your wings, you do something new and rather difficult or move to a new place, because you feel more confident in your abilities than you used to and you want to gain wider experience
  • stand-up comedian — performer: tells jokes
  • superaerodynamics — the branch of aerodynamics that deals with gases at very low densities.
  • superconductivity — the phenomenon of almost perfect conductivity shown by certain substances at temperatures approaching absolute zero. The recent discovery of materials that are superconductive at temperatures hundreds of degrees above absolute zero raises the possibility of revolutionary developments in the production and transmission of electrical energy.
  • supervision order — an order by a juvenile court requiring a named probation officer or local-authority social worker to advise, assist, and befriend a child or young person who is the subject of care proceedings, over a period of up to three years
  • supervisory board — a board of management of which nonmanagerial workers are members, having supervisory powers over some aspects of management decision-making
  • suspension bridge — a bridge having a deck suspended from cables anchored at their extremities and usually raised on towers.
  • telescopic damper — a device with telescopic parts that reduce vibration in a motor vehicle
  • the tabloid press — (considered as a whole) newspapers with pages about 30 cm (12 inches) by 40 cm (16 inches), usually characterized by an emphasis on photographs and a concise and often sensational style
  • thiopental sodium — a barbiturate, C 11 H 18 N 2 NaO 2 S, used as an anesthetic in surgery and, in psychiatry, for narcoanalysis and to stimulate recall of past events.
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