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17-letter words containing s, p, e, c, d

  • pressurized cabin — the cabin of an aircraft in which the air has been pressurized
  • 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
  • pseudepigraphical — certain writings (other than the canonical books and the Apocrypha) professing to be Biblical in character.
  • 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.
  • sacrifice paddock — a grassed area allowed to be grazed completely, to be cultivated and resown later
  • san pedro channel — a strait between the mainland of SW California and Santa Catalina Island. About 20 miles (32 km) wide.
  • 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.
  • schwedler's maple — a variety of the Norway maple, Acer platanoides schwedleri, producing red leaves that subsequently turn green.
  • secondary process — the conscious mental activity and logical thinking controlled by the ego and influenced by environmental demands.
  • secondary product — a product that is not the main product of an industry; a by-product
  • self-depreciating — self-deprecating.
  • self-reproduction — the act or process of reproducing.
  • semisophisticated — somewhat sophisticated.
  • shuttle diplomacy — diplomatic negotiations carried out by a mediator who travels back and forth between the negotiating parties.
  • sound spectrogram — a graphic representation, produced by a sound spectrograph, of the frequency, intensity, duration, and variation with time of the resonance of a sound or series of sounds.
  • special education — education that is modified or particularized for those with singular needs, as disabled or maladjusted people, slow learners, or gifted children.
  • specific humidity — the ratio of the mass of water vapor in air to the total mass of the mixture of air and water vapor.
  • 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.
  • speech difficulty — a problem encountered in speaking
  • speech impediment — speaking disorder
  • speed restriction — the maximum speed allowed for road vehicles, trains, or other vehicles
  • spitting distance — a short space or distance
  • spruce gall aphid — any of various homopterous insects of the family Adelgidae, as Adelges abietis (spruce gall aphid) and Pineus pinifoliae (pine leaf aphid) that feed and form galls on conifers.
  • 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.
  • supreme commander — the military officer commanding all allied forces in a theater of war.
  • synchronous speed — the speed at which an alternating-current machine must operate to generate electromotive force at a given frequency.
  • take second place — If one thing takes second place to another, it is considered to be less important and is given less attention than the other thing.
  • telescopic damper — a device with telescopic parts that reduce vibration in a motor vehicle
  • thousandths-place — last in order of a series of a thousand.
  • to get psyched up — to prepare mentally
  • transdermal patch — a small piece of material used to mend a tear or break, to cover a hole, or to strengthen a weak place: patches at the elbows of a sports jacket.
  • undercompensation — to compensate or pay less than is fair, customary, or expected.
  • unprecedentedness — without previous instance; never before known or experienced; unexampled or unparalleled: an unprecedented event.
  • unpredictableness — not predictable; not to be foreseen or foretold: an unpredictable occurrence.
  • vice-presidential — relating to a person who ranks immediately below the chief executive or head of state of a republic
  • war correspondent — a reporter or commentator assigned to send news or opinions directly from battle areas.
  • well-accomplished — completed; done; effected: an accomplished fact.
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