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17-letter words containing t, o, p, d, r, i

  • pocket dictionary — a small portable dictionary
  • polar coordinates — Usually, polar coordinates. one of two coordinates used to locate a point in a plane by the length of its radius vector and the angle this vector makes with the polar axis (polar angle)
  • police department — A police department is an official organization which is responsible for making sure that people obey the law.
  • post-and-rail tea — (in the 19th century) a coarse tea in which floating particles resembled a post-and-rail fence
  • 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 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.
  • potential divider — a resistor or series of resistors connected to a voltage source and used to provide voltages that are fractions of that of the source.
  • pre-modifications — an act or instance of modifying.
  • predatory pricing — If a company practises predatory pricing, it charges a much lower price for its products or services than its competitors in order to force them out of the market.
  • prescription drug — medication available only on doctor's instruction
  • primary dentition — the deciduous dentition
  • primary education — junior, elementary schooling
  • private education — education provided by a private individual or organization, rather than by the state or a public body
  • product liability — the responsibility of a manufacturer for injury or loss caused by its product.
  • 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 string — A production string is the series of pipes through which the oil or gas is brought up from the reservoir.
  • 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
  • proof of identity — a document or documents used to verify someone's identity
  • 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
  • prothoracic gland — either of a pair of endocrine glands in the anterior thorax of some insects, functioning to promote the series of molts from hatching to adulthood.
  • 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
  • put in a word for — to make favourable mention of (someone); recommend
  • 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
  • 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
  • rapid prototyping — (programming)   The creation of a working model of a software module to demonstrate the feasibility and suitability of the function. The prototype is expected to be replaced or refined before inclusion in the final product. Rapid prototyping contrasts with a DIRFT approach which emphasises careful design and implementation to avoid the overheads of debugging and testing prototype code. Rapid prototyping is appropriate when the requirements are unclear or likely to change (which is most of the time).
  • redemption center — a commercial establishment at which trading stamps of a specific brand may be exchanged for merchandise.
  • refractory period — a short period after a nerve or muscle cell fires during which the cell cannot respond to additional stimulation.
  • 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.
  • 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
  • self-reproduction — the act or process of reproducing.
  • 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
  • split keyboarding — the act or practice of editing data from one terminal on another terminal
  • 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.
  • 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.
  • take in good part — to respond to (teasing) with good humour
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