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18-letter words containing p, y

  • constituency party — a branch of a political party operating within a constituency
  • corporate identity — business brand
  • corpus christi bay — a bay in S Texas, at the mouth of the Nueces River.
  • corpuscular theory — the theory, originally proposed by Newton, and revived with the development of the quantum theory, that light consists of a stream of particles
  • counter-hypothesis — a proposition, or set of propositions, set forth as an explanation for the occurrence of some specified group of phenomena, either asserted merely as a provisional conjecture to guide investigation (working hypothesis) or accepted as highly probable in the light of established facts.
  • cranial osteopathy — osteopathy that focuses on the cranium and the spine
  • creeping paralysis — any slow process that causes a system, government, etc, to stop working efficiently
  • cross-disciplinary — linking two or more fields of study
  • crystal microphone — a microphone that uses a piezoelectric crystal to convert sound energy into electrical energy
  • currency principle — the principle that banks should be permitted to issue notes only against bullion or coin.
  • cyclic pitch lever — a lever in a helicopter to change the angle of attack of individual rotor blades, causing the helicopter to move forwards, backwards, or sideways
  • cyclopean concrete — concrete containing stones larger than 6 inches (15 cm).
  • dafydd ap gruffudd — died 1283, Welsh leader. Claiming the title Prince of Wales (1282), he led an unsuccessful revolt against Edward I: executed
  • daisywheel printer — (printer)   A kind of impact printer where the characters are arranged on the ends of the spokes of a wheel (resembling the petals on a daisy). The wheel (usually made of plastic) is rotated to select the character to print and then an electrically operated hammer mechanism bends the selected spoke forward slightly, sandwiching an ink ribbon between the character and the paper, as in a typewriter. One advantage of this arrangement over that of a typewriter is that different wheels may be inserted to produce different typefaces.
  • decachlorobiphenyl — (organic compound) The fully chlorinated polychlorinated biphenyl containing ten chlorine atoms.
  • deficiency payment — a payment made to a commodity producer that represents the difference between the market price and the guaranteed price
  • dependency grammar — a type of generative grammar in which grammatical structure is determined by the relationship between a governor and its dependents
  • depository library — a library designated by law to receive without charge all or a selection of the official publications of a government.
  • developing country — a nonindustrialized poor country that is seeking to develop its resources by industrialization
  • development system — a computer system, including hardware and software, that is specifically designed to aid in the development of software and interfaces
  • dialytic telescope — a type of achromatic telescope with a second correcting lens
  • didot point system — a Continental system of measurement for type, based on a unit of 0.0148 inches (0.3759 mm).
  • dietary supplement — a substance taken in addition to what you eat in order to promote health
  • dimethylsulphoxide — a colourless odourless liquid substance used as a solvent and in medicine as an agent to improve the penetration of drugs applied to the skin. Formula: (CH3)2SO
  • dimethyltryptamine — a hallucinogenic drug, C 12 H 16 N 2 , with an action of short duration. Abbreviation: DMT.
  • diphosphoglycerate — an ester of phosphoric acid and glyceric acid that occurs in the blood and that promotes the release of hemoglobin-bound oxygen.
  • disability pension — a pension paid to people who are unable to continue to work because of a disability
  • display postscript — An extended form of PostScript permitting its interactive use with bitmap displays.
  • disproportionality — not in proportion; disproportionate.
  • disproportionately — not proportionate; out of proportion, as in size or number.
  • doctype decoration — (humour)   When a web author adds a doctype declaration but doesn't bother to write valid HTML.
  • domremy-la-pucelle — a village in Lorraine, NE France, SW of Nancy: birthplace of Joan of Arc.
  • dry-powder inhaler — A dry-powder inhaler is a device that delivers medication to the lungs in the form of a dry powder.
  • duchenne dystrophy — the most common form of muscular dystrophy, usually affecting only boys
  • duty-free shopping — the making of duty-free purchases
  • dynamic psychology — any system of psychology that emphasizes the interaction between different motives, emotions, and drives
  • dynamically scoped — dynamic scope
  • east india company — the company chartered by the English government in 1600 to carry on trade in the East Indies: dissolved in 1874.
  • economic geography — a branch of geography that deals with the relation of physical and economic conditions to the production and utilization of raw materials and their manufacture into finished products.
  • electrophotography — Any of several methods of photocopying in which an image is created and then transferred between surfaces using static electricity.
  • employment service — (in the United States) a government department established to collect and supply to the unemployed information about job vacancies and to employers information about availability of prospective workers
  • energy consumption — amount of energy used
  • epicycloidal wheel — one of the planetary gears of an epicyclic train
  • ethnopsychological — Relating to ethnopsychology.
  • european community — an economic and political association of European States that came into being in 1967, when the legislative and executive bodies of the European Economic Community merged with those of the European Coal and Steel Community and the European Atomic Energy Community: subsumed into the European Union in 1993
  • expected frequency — the number of occasions on which an event may be presumed to occur on average in a given number of trials
  • family-size packet — a packet large enough to be suitable for a family
  • faraday dark space — the dark region between the negative glow and the positive column in a vacuum tube occurring when the pressure is low.
  • farmer-labor party — a political party in Minnesota, founded in 1920 and merged with the Democratic Party in 1944.
  • flat-panel display — a type of thin, lightweight video display that uses liquid crystals or electroluminescence to reflect images.
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