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15-letter words containing a, d, i, r

  • primo de rivera — Miguel [mee-gel] /miˈgɛl/ (Show IPA), Marqués de Estella [mahr-kes th e es-te-lyah] /mɑrˈkɛs ðɛ ɛsˈtɛ lyɑ/ (Show IPA), (Miguel Prima de Rivera y Orbaneja) 1870–1930, Spanish general and political leader: dictator of Spain 1923–29.
  • primordial soup — the seas and atmosphere as they existed on earth before the existence of life, consisting primarily of an oxygen-free gaseous mixture containing chiefly water, hydrogen, methane, ammonia, and carbon dioxide.
  • prince's island — former name of Príncipe.
  • principal ideal — the smallest ideal containing a given element in a ring; an ideal in a ring with a multiplicative identity, obtained by multiplying each element of the ring by one specified element.
  • private pay bed — (in Britain) a bed in a National Health Service hospital, reserved for private patients who pay a consultant acting privately for treatment and who are charged by the health service for use of hospital facilities
  • private soldier — A private soldier is a soldier of the lowest rank in an army or the marines.
  • privately owned — owned by a private individual or organization, rather than by the state or a public body
  • probation order — an order imposed by a magistrate or judge under which an offender is sentenced to probation rather than imprisonment
  • profit and loss — the gain and loss arising from commercial or other transactions, applied especially to an account or statement of account in bookkeeping showing gains and losses in business.
  • program trading — trading on international stock exchanges using a computer program to exploit differences between stock index futures and actual share prices on world equity markets
  • proletarianized — to convert or transform into a member or members of the proletariat: to proletarianize the middle class.
  • promotion board — group that markets or advertises sth
  • propionaldehyde — a colorless, water-soluble liquid, C 3 H 6 O, having a pungent odor: used chiefly in the manufacture of plastics.
  • pseudepigraphon — any book of the Pseudepigrapha
  • pseudo-artistic — conforming to the standards of art; satisfying aesthetic requirements: artistic productions.
  • pseudo-critical — inclined to find fault or to judge with severity, often too readily.
  • pseudo-dramatic — of or relating to the drama.
  • pseudo-military — of, for, or pertaining to the army or armed forces, often as distinguished from the navy: from civilian to military life.
  • pseudo-romantic — of, relating to, or of the nature of romance; characteristic or suggestive of the world of romance: a romantic adventure.
  • pseudoarthrosis — a joint formed by fibrous tissue bridging the gap between the two fragments of bone of an old fracture that have not united
  • pseudoparalysis — the inability to move a part of the body owing to factors, as pain, other than those causing actual paralysis.
  • pseudotripteral — having an arrangement of columns suggesting a tripteral structure but without the inner colonnades.
  • psychedelicware — /si:"k*-del"-ik-weir/ [UK] Synonym display hack. See also smoking clover.
  • pure and simple — sheer, utter
  • pyramid selling — Pyramid selling is a method of selling in which one person buys a supply of a particular product direct from the manufacturer and then sells it to a number of other people at an increased price. These people sell it on to others in a similar way, but eventually the final buyers are only able to sell the product for less than they paid for it.
  • pyramidal tract — any of four tracts of descending motor fibers that extend in pairs down each side of the spinal column and function in voluntary movement.
  • pyrimidine base — any of a number of similar compounds having a basic structure that is derived from pyrimidine, including cytosine, thymine, and uracil, which are constituents of nucleic acids
  • pyrogallic acid — pyrogallol
  • pyrogallic-acid — a white, crystalline, water-soluble, poisonous, solid, phenolic compound, C 6 H 3 (OH) 3 , obtained by heating gallic acid and water: used chiefly as a developer in photography, as a mordant for wool, in dyeing, and in medicine in the treatment of certain skin conditions.
  • pyrometric bead — (in a kiln) a ball of material that indicates by changing color that a certain temperature has been reached.
  • quadragenarians — Plural form of quadragenarian.
  • quadric surface — a three-dimensional surface whose equation is a quadratic equation.
  • quadripartition — A division into four parts.
  • quadruplication — one of four copies or identical items, especially copies of typewritten material.
  • quarter binding — a style of bookbinding in which the spine is leather and the sides are cloth or paper.
  • quick-and-dirty — Informal. slipshod.
  • rack-and-pinion — of or relating to a mechanism in which a rack engages a pinion: rack-and-pinion steering.
  • radial symmetry — a basic body plan in which the organism can be divided into similar halves by passing a plane at any angle along a central axis, characteristic of sessile and bottom-dwelling animals, as the sea anemone and starfish.
  • radial velocity — the component of the motion of a star away from or toward the earth along its line of sight, expressed in miles or kilometers per second and determined by the shift in the wavelength of light emitted by the star.
  • radiant heating — the means of heating objects or persons by radiation in which the intervening air is not heated.
  • radiator grille — a grille in an automobile or the like for air cooling of the liquid in the cooling system.
  • radio announcer — someone who broadcasts or presents radio programmes
  • radio astronomy — the branch of astronomy that utilizes extraterrestrial radiation in radio wavelengths rather than visible light for the study of the universe.
  • radio broadcast — sth transmitted via radio signal
  • radio frequency — the frequency of the transmitting waves of a given radio message or broadcast.
  • radio programme — something that is broadcast on radio
  • radio sono-buoy — a buoy equipped to detect underwater noises and transmit them by radio
  • radio telephone — A radio telephone is a telephone which carries sound by sending radio signals rather than by using wires. Radio telephones are often used in cars.
  • radio telescope — a system consisting of an antenna, either parabolic or dipolar, used to gather radio waves emitted by celestial sources and bring them to a receiver placed in the focus.
  • radio-telephone — a telephone in which sound or speech is transmitted by means of radio waves instead of through wires or cables.
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