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18-letter words containing p, o, s, t, a, d

  • hypoparathyroidism — Diminished concentration of parathyroid hormone in the blood, which causes deficiencies of calcium and phosphorus compounds in the blood and results in muscular spasms.
  • hypophosphorylated — (biochemistry) phosphorylated to a less than normal extent, or less than fully.
  • imploded consonant — a consonant which is pronounced with or by implosion
  • little spotted cat — a small New World tiger cat, Felis tigrinus, ranging from Costa Rica to northern Argentina.
  • midstream operator — A midstream operator is a company that gathers, transports, and processes natural gas or oil.
  • monophosphorylated — (biochemistry) phosphorylated with a single unit of phosphoric acid.
  • muscular dystrophy — a hereditary disease characterized by gradual wasting of the muscles with replacement by scar tissue and fat, sometimes also affecting the heart.
  • normally aspirated — A normally aspirated or naturally aspirated engine breathes air at atmospheric pressure.
  • oedipus at colonus — a tragedy by Sophocles, written toward the end of his life and produced posthumously in 401? b.c.
  • optical disc drive — optical disk drive
  • optical disk drive — (hardware)   (Or "optical disc drive", "optical storage") A generic term for any device that reads and/or writes optical media, i.e. compact discs, DVDs and/or Blu-ray discs or future media that uses light (from a small laser) to read data off a removable, rotating disk. At least one such drive is commonly installed in most personal computers to allow them to play and/or record audio and video media and load and store data such as program installers. The floppy disk has been replaced by optical media due to its vastly greater capacity, e.g. 50,000 megabytes for a dual-layer blu-ray disc compared with 1.5 megabytes for a floppy (over 30,000 times as much).
  • optical soundtrack — the final soundtrack on a motion picture, which appears as a band of black and white serrations along a strip of film to the left of the composite print. Light is shined through the serrations and is converted to audible sound.
  • packet switch node — (PSN) A dedicated computer whose purpose is to accept, route and forward packets in a packet-switched network.
  • parathyroid glands — any of several small oval glands usually lying near or embedded in the thyroid gland.
  • pass the hat round — to collect money, as for a cause
  • passing modulation — a modulation of a temporary nature.
  • passing-out parade — a ceremonial parade of cadets who have completed their training
  • payload specialist — an astronaut trained to handle highly complex or classified equipment carried aboard a space shuttle and to conduct experiments in space.
  • pectoral sandpiper — an American sandpiper, Calidris melanotos, the male of which, when courting, inflates its chest conspicuously.
  • phosphatidylserine — any of a class of phospholipids occurring in biological membranes and fats
  • physical education — systematic instruction in sports, exercises, and hygiene given as part of a school or college program.
  • pitch-and-run shot — chip shot.
  • plate-glass window — a window that has glass which has been formed by rolling
  • play cat and mouse — Also called cat and rat. a children's game in which players in a circle keep a player from moving into or out of the circle and permit a second player to move into or out of the circle to escape the pursuing first player.
  • population density — ratio: inhabitants to area
  • positively charged — having a positive charge
  • postviral syndrome — debilitating condition occurring as a sequel to viral illness
  • potassium chloride — a white or colorless, crystalline, water-soluble solid, KCl, used chiefly in the manufacture of fertilizers and mineral water, and as a source of other potassium compounds.
  • potassium fluoride — a white, crystalline, hygroscopic, toxic powder, KF, used chiefly as an insecticide, a disinfectant, and in etching glass.
  • predation pressure — the effect of predation upon a population, resulting in the decrease in size of that population.
  • preservation order — In Britain, a preservation order is an official order that makes it illegal for anyone to alter or destroy something such as an old building or an area of countryside.
  • prestidigitization — /pres`t*-di"j*-ti:-zay"sh*n/ 1. A term coined by Daniel Klein <[email protected]> for the act of putting something into digital notation via sleight of hand. 2. Data entry through legerdemain.
  • programme of study — the prescribed syllabus that pupils must be taught at each key stage in the National Curriculum
  • pseudo-anarchistic — a person who advocates or believes in anarchy or anarchism.
  • pseudo-socialistic — of or relating to socialists or socialism.
  • pseudo-symptomatic — pertaining to a symptom or symptoms.
  • pseudoappendicitis — inflammation of the vermiform appendix.
  • pseudointellectual — a person exhibiting intellectual pretensions that have no basis in sound scholarship.
  • put heads together — the upper part of the body in humans, joined to the trunk by the neck, containing the brain, eyes, ears, nose, and mouth.
  • qattara depression — a desert basin in the Libyan Desert, in NW Egypt: lowest point is 435 feet (133 meters) below sea level. 6950 sq. mi. (18,000 sq. km).
  • radiation exposure — exposure to radiant energy or to the particles emitted in the transfer of radiant energy, esp the particles and gamma rays emitted in nuclear decay; exposure to radioactive substances
  • radiation pressure — the pressure exerted on a surface by electromagnetic radiation or by sound waves.
  • registered company — a company which has officially registered its business
  • reinforced plastic — plastic with fibrous matter, such as carbon fibre, embedded in it to confer additional strength
  • safety-deposit box — a lockable metal box or drawer, especially in a bank vault, used for safely storing valuable papers, jewelry, etc.
  • scissors-and-paste — designating or of a piece of writing that has been assembled from a variety of sources rather than by original research, often in a hasty or uninspired way
  • september holidays — a period of time in September when people do not have to go to school, college or work
  • solitary sandpiper — a North American sandpiper, Tringa solitaria, of inland wetlands, having a brownish-gray, white-spotted back and whitish underparts.
  • sound spectrograph — an electronic device for recording a sound spectogram.
  • southampton island — an island in N Canada, in the Northwest Territories at the entrance to Hudson Bay. 19,100 sq. mi. (49,470 sq. km).
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