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12-letter words containing d, e, r, o, s

  • point-spread — a betting device, established by oddsmakers and used to attract bettors for uneven competitions, indicating the estimated number of points by which a stronger team can be expected to defeat a weaker team, the point spread being added to the weaker team's actual points in the game and this new figure then compared to the stronger team's points to determine winning bets.
  • polydisperse — of or noting a sol that contains particles of different sizes.
  • polyhedrosis — an often fatal disease of certain insect larvae or decapod crustaceans, caused by viruses containing DNA.
  • poodle skirt — 1950s-style woman's circular skirt
  • port de bras — (used with a singular verb) the technique of moving the arms properly.
  • postal order — money order.
  • postcardlike — (of a scene) resembling a postcard
  • postcardware — Shareware that borders on freeware, in that the author requests only that satisfied users send a postcard of their home town or something. (This practice, silly as it might seem, serves to remind users that they are otherwise getting something for nothing, and may also be psychologically related to real estate "sales" in which $1 changes hands just to keep the transaction from being a gift.)
  • postdelivery — of, relating to, or occurring after a delivery
  • poster board — a thick, fairly stiff cardboard composed of layers of paper or paper pulp compressed together and typically used to support displays.
  • poster child — a child appearing on a poster for a charitable organization.
  • postgraduate — of, pertaining to, characteristic of, or consisting of post-graduates: a postgraduate seminar.
  • postmeridian — of or relating to the afternoon.
  • powder chest — a small wooden box containing a charge of powder, old nails, scrap iron, etc., formerly secured over the side of a ship and exploded on the attempt of an enemy to board.
  • powder flask — a small flask of gunpowder formerly carried by soldiers and hunters.
  • praseodymium — a rare-earth, metallic, trivalent element, named from its green salts. Symbol: Pr; atomic weight: 140.91; atomic number: 59; specific gravity: 6.77 at 20°C.
  • pre-discount — to deduct a certain amount from (a bill, charge, etc.): All bills that are paid promptly will be discounted at two percent.
  • preadmission — (in a reciprocating engine) admission of steam or the like to the head of the cylinder near the end of the stroke, as to cushion the force of the stroke or to allow full pressure at the beginning of the return stroke.
  • prediagnosis — Medicine/Medical. the process of determining by examination the nature and circumstances of a diseased condition. the decision reached from such an examination. Abbreviation: Dx.
  • prediscourse — communication of thought by words; talk; conversation: earnest and intelligent discourse.
  • prediscovery — a previous discovery
  • predisposing — to give an inclination or tendency to beforehand; make susceptible: Genetic factors may predispose human beings to certain metabolic diseases.
  • prednisolone — a synthetic glucocorticoid, C 2 1 H 2 8 O 5 , used in various forms to treat inflammation and allergies and in the treatment of acute leukemia, Hodgkin's disease, and lymphomas.
  • preset board — a control board for setting up theatrical lighting switches and dimmer readings in advance so that during a performance the lights can be automatically operated for one or several scenes.
  • pretensioned — (in prestressed-concrete construction) to apply tension to (reinforcing strands) before the concrete is poured. Compare posttension (def 1).
  • proboscidate — having a proboscis.
  • proboscidean — pertaining to or resembling a proboscis.
  • process data — data processing
  • producer gas — a mixture of carbon monoxide and nitrogen produced by passing air over hot coke, used mainly as a fuel
  • profoundness — penetrating or entering deeply into subjects of thought or knowledge; having deep insight or understanding: a profound thinker.
  • promuscidate — shaped like a proboscis
  • pseudamphora — a Mycenaean vase having a spherical body, a spout on the shoulder, and a handle, curving across the top, supported by a solid conical neck.
  • pseudo force — any force that is postulated to account for apparent deviations from Newton's laws of motion appearing in an accelerated reference system.
  • pseudocereal — any of several plants, as buckwheat and quinoa, that produce fruits and seeds used as flour but are not of the grass family.
  • pseudography — writing that does not follow conventional spelling or usage
  • pseudomartyr — someone falsely or inaccurately called a martyr
  • pseudorabies — a highly contagious, usually fatal disease of cattle, sheep, and other animals, caused by the herpesvirus Herpes suis, and characterized by severe pruritus and progressive central nervous system involvement sometimes including an aggressive excitement phase.
  • pseudorandom — noting or pertaining to random numbers generated by a definite computational process to satisfy a statistical test.
  • pseudoscalar — a scalar quantity that changes sign when the sense of the orientation of the coordinate system is changed.
  • pseudosphere — a surface generated by revolving a tractrix about its asymptote.
  • pseudovector — a variable quantity, such as angular momentum, that has magnitude and orientation with respect to an axis. The components are even functions of the coordinates
  • pteridosperm — seed fern.
  • radar sensor — a sensor on equipment used in radar, a method for detecting the position and velocity of a distant object
  • radio source — a cosmic object or phenomenon, as a galaxy, pulsar, quasar, or the remnant of a supernova or of a galactic collision, that emits radio waves.
  • radioisotope — a radioactive isotope, usually artificially produced: used in physical and biological research, therapeutics, etc.
  • rapeseed oil — a brownish-yellow oil obtained by expression from rapeseed and used chiefly as a lubricant, an illuminant, and in the manufacture of rubber substitutes.
  • re-admission — the act of allowing to enter; entrance granted by permission, by provision or existence of pecuniary means, or by the removal of obstacles: the admission of aliens into a country.
  • re-deposited — to place for safekeeping or in trust, especially in a bank account: He deposited his paycheck every Friday.
  • re-solicited — to seek for (something) by entreaty, earnest or respectful request, formal application, etc.: He solicited aid from the minister.
  • record store — an outlet that sells recorded music
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