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15-letter words containing p, i, n, o

  • peak production — the maximum production
  • pedagoguishness — the quality of being pedagoguish
  • pelargonic acid — a colorless, oily, water-immiscible liquid, C 9 H 1 8 O 2 , occurring as an ester in a volatile oil in species of pelargonium: used chiefly in organic synthesis and in the manufacture of lacquers and plastics.
  • penetration aid — a device or tactic, as the use of chaff or decoys or the maintaining of a low flight level, that helps an aircraft or missile to enter hostile air space.
  • pentaerythritol — a white, crystalline, water-soluble powder, C 5 H 1 2 O 4 , used chiefly in the manufacture of alkyd resins, varnishes, plasticizers, and explosives.
  • pentium ii xeon — (processor)   The successor to Intel Corporation's Pentium II processor. The Xeon has the same P6 core as existing Pentium Pro/Pentium II units, but it supports a 100 MHz system bus and offers as much as 2 MB of level 2 cache.
  • pepin the short — ("Pepin the Short") died a.d. 768, king of the Franks 751–768 (father of Charlemagne).
  • percussion lock — a gunlock on a firearm that fires by striking a percussion cap.
  • percussion tool — a power driven tool which operates by striking rapid blows: the power may be electricity or compressed air
  • perfectionistic — a person who adheres to or believes in perfectionism.
  • perforating gun — A perforating gun is a device used to make holes in oil and gas wells in preparation for production.
  • performing arts — dance, drama, music
  • perfunctoriness — performed merely as a routine duty; hasty and superficial: perfunctory courtesy.
  • period-rotation — a rather large interval of time that is meaningful in the life of a person, in history, etc., because of its particular characteristics: a period of illness; a period of great profitability for a company; a period of social unrest in Germany.
  • periodic motion — any motion that recurs in identical forms at equal intervals of time.
  • peroxide blonde — You can refer to a woman whose hair has been artificially been made lighter in colour as a peroxide blonde, especially when you want to show that you disapprove of this, or that you think her hair looks unnatural or unattractive.
  • personal friend — a person who is a friend, rather than a colleague or acquaintance
  • personal injury — injury to an individual
  • personalization — to have marked with one's initials, name, or monogram: to personalize stationery.
  • personification — the attribution of human nature or character to animals, inanimate objects, or abstract notions, especially as a rhetorical figure.
  • peter of amiens — c1050–1115, French monk: preacher of the first Crusade 1095–99.
  • phantom circuit — a circuit derived from two suitably arranged pairs of wires, each pair being a circuit (side circuit) and also acting as one half of an additional derived circuit, the entire system providing the capabilities of three circuits while requiring wires for only two.
  • phenakistoscope — an early form of a zoetrope in which figures are depicted in different poses around the edge of a disc. When the disc is spun, and the figures observed through the apertures around the edge of the disc, they appear to be moving
  • phenazopyridine — a substance, C 1 1 H 1 2 ClN 5 , used as a lower urinary tract analgesic.
  • phenolphthalein — a white, crystalline compound, C 2 0 H 1 4 O 4 , used as an indicator in acid-base titration and as a laxative.
  • phenomenalistic — the doctrine that phenomena are the only objects of knowledge or the only form of reality.
  • phenomenologies — the study of phenomena.
  • phenomenologist — the study of phenomena.
  • phenylketonuria — an inherited disease due to faulty metabolism of phenylalanine, characterized by phenylketones in the urine and usually first noted by signs of mental retardation in infancy.
  • phenylketonuric — an inherited disease due to faulty metabolism of phenylalanine, characterized by phenylketones in the urine and usually first noted by signs of mental retardation in infancy.
  • philanthropical — of, pertaining to, engaged in, or characterized by philanthropy; benevolent: a philanthropic foundation.
  • phloem necrosis — a disease of the American elm caused by a mycoplasmalike organism, characterized by yellowing and necrosis of the foliage and yellowish-brown discoloration of the phloem.
  • phoenix islands — a group of eight coral islands in the central Pacific: administratively part of Kiribati. Area: 28 sq km (11 sq miles). The islands and surrounding waters form the Phoenix Islands Protected Area, the world's largest marine protected area. Area: 410 500 sq km (158 500 sq miles)
  • phonautographic — relating to a phonautograph or a piece of equipment that records sound visually by detecting the sound waves and indicating them on a graph
  • phonemicization — a grouping of phonemes
  • phoneticization — the representation of speech in writing using a system in which individual symbols reflect speech sounds in a regular manner
  • phonocardiogram — the graphic record produced by a phonocardiograph.
  • phonogramically — in a phonogramic manner
  • phosphocreatine — a compound, C 4 H 1 0 O 5 N 3 P, found chiefly in muscle, formed by the enzymatic interaction of an organic phosphate and creatine, the breakdown of which provides energy for muscle contraction.
  • phosphorylation — to introduce the phosphoryl group into (an organic compound).
  • photo-secession — an association of photographers founded in New York City in 1902 by Alfred Stieglitz and Edward Steichen that advocated the development and public recognition of photography as a fine art.
  • photoactivation — the activation or control of a chemical, chemical reaction, or organism by light, as the activation of chlorophyll by sunlight during photosynthesis.
  • photoconducting — of or relating to photoconduction
  • photoconduction — of, relating to, or exhibiting photoconductivity.
  • photoconductive — of, relating to, or exhibiting photoconductivity.
  • photoelectronic — relating to electronic effects or devices affected by light
  • photoexcitation — the creation of an increase in energy in atoms, molecules or ions caused by the absorption of a photon
  • photoionization — the phenomenon in which the absorption of electromagnetic radiation by an atom in a gas induces the atom to emit a bound electron and thereby become ionized.
  • photojournalism — journalism in which photography dominates written copy, as in certain magazines.
  • photomechanical — noting or pertaining to any of various processes for printing from plates or surfaces prepared by the aid of photography.
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