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13-letter words containing s, p, i, n, o, u

  • open universe — a model of the universe in which the universe expands forever because there is not enough mass to counteract the expansion by means of gravitational attraction.
  • opening hours — Opening hours are the times during which a shop, bank, library, or bar is open for business.
  • opportunistic — adhering to a policy of opportunism; practicing opportunism.
  • opportunities — Plural form of opportunity.
  • optical sound — sound recorded on and subsequently played back from an optical or photographic soundtrack, as opposed to a magnetic soundtrack.
  • outprocessing — to end a military tour of duty, accompanied by necessary paperwork: All enlisted soldiers out-process as a class.
  • outwash plain — Geology. a broad, sloping landform built of coalesced deposits of outwash.
  • packing house — A packing house is a company that processes and packs food, especially meat, to be sold.
  • pamlico sound — a sound between the North Carolina mainland and coastal islands.
  • pan-teutonism — Pan-Germanism.
  • paris commune — commune3 (def 8).
  • passion fruit — any edible fruit of a passionflower, as the maypop.
  • pentastichous — (of plant leaves) arranged in five vertical rows
  • percussionist — a musician who plays percussion instruments.
  • perimenopause — the period leading up to the menopause during which some of the symptoms associated with menopause may be experienced
  • perlustration — the act of perlustrating; a thorough inspection or survey, esp of letters for purposes of surveillance
  • perscrutation — a very careful exploration or inspection
  • plastoquinone — a quinone that occurs in the chloroplasts of plants and functions as an electron carrier during photosynthesis.
  • platiniferous — platinum-bearing
  • platitudinous — characterized by or given to platitudes.
  • plenitudinous — characterized or marked by plenitude.
  • plesiosaurian — a member of the reptile order Plesiosauria
  • plus or minus — You use plus or minus to give the amount by which a particular number may vary.
  • pneumatolysis — the process by which rocks are altered or minerals and ores are formed by the action of vapors given off by magma.
  • pneumogastric — of or relating to the lungs and stomach.
  • pococurantism — a careless or indifferent person.
  • pococurantist — a person who demonstrates a tendency toward indifference
  • point success — a peak in W central Washington, to the S of Mount Rainier, in the Cascade Range.14,158 feet (4318 meters).
  • poison sumach — an anacardiaceous swamp shrub, Rhus (or Toxicodendron) vernix of the southeastern US, that has greenish-white berries and causes an itching rash on contact with the skin
  • polliniferous — Botany. producing or bearing pollen.
  • pons asinorum — a geometric proposition that if a triangle has two of its sides equal, the angles opposite these sides are also equal: so named from the difficulty experienced by beginners in mastering it. Euclid, 1:5.
  • porcelaineous — like porcelain
  • porcupinefish — any of several fishes of the family Diodontidae, especially Diodon hystrix, of tropical seas, capable of inflating the body with water or air until it resembles a globe, with erection of the long spines covering the skin.
  • post-freudian — of or relating to Sigmund Freud or his doctrines, especially with respect to the causes and treatment of neurotic and psychopathic states, the interpretation of dreams, etc.
  • postcommunion — the part of a communion service that follows after the congregation has received communion.
  • postinaugural — of or relating to the period after an inauguration
  • postliminious — subsequently undertaken
  • postulational — to ask, demand, or claim.
  • pound-foolish — not handling large sums of money wisely
  • pouring-basin — (in a vacuum induction furnace) a trough through which molten metal flows under vacuum to a mold chamber.
  • precombustion — of or relating to the period immediately before combustion
  • prediscussion — an act or instance of discussing; consideration or examination by argument, comment, etc., especially to explore solutions; informal debate.
  • premium bonds — (in Britain) bonds issued by the Treasury since 1956 for purchase by the public. No interest is paid but there is a monthly draw for cash prizes of various sums
  • presubmission — an act or instance of submitting.
  • pretentiously — characterized by assumption of dignity or importance, especially when exaggerated or undeserved: a pretentious, self-important waiter.
  • pro-communist — (initial capital letter) a member of the Communist Party or movement.
  • proteinaceous — Biochemistry. any of numerous, highly varied organic molecules constituting a large portion of the mass of every life form and necessary in the diet of all animals and other nonphotosynthesizing organisms, composed of 20 or more amino acids linked in a genetically controlled linear sequence into one or more long polypeptide chains, the final shape and other properties of each protein being determined by the side chains of the amino acids and their chemical attachments: proteins include such specialized forms as collagen for supportive tissue, hemoglobin for transport, antibodies for immune defense, and enzymes for metabolism.
  • pseudoscience — any of various methods, theories, or systems, as astrology, psychokinesis, or clairvoyance, considered as having no scientific basis.
  • pucciniaceous — (of a fungus) belonging to the genus Puccinia
  • pudding stone — conglomerate (def 3).
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