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15-letter words containing e, p, i, t

  • peak production — the maximum production
  • pearly nautilus — nautilus (def 1).
  • pectoral girdle — (in vertebrates) a bony or cartilaginous arch supporting the forelimbs.
  • pedestrian mall — A pedestrian mall is the same as a pedestrian precinct.
  • peltier element — an electronic device consisting of metal strips between which alternate strips of n-type and p-type semiconductors are connected. Passage of a current causes heat to be absorbed from one set of metallic strips and emitted from the other by the Peltier effect
  • pematangsiantar — a city on NE Sumatra, in Indonesia.
  • penal servitude — imprisonment together with hard labor.
  • 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.
  • penetrativeness — the quality or condition of being penetrative
  • 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 tool — a power driven tool which operates by striking rapid blows: the power may be electricity or compressed air
  • perfect binding — a technique for binding books by a machine that cuts off the backs of the sections and glues the leaves to a cloth or paper backing.
  • 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.
  • perimeter fence — fence surrounding an area
  • 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.
  • periodic system — a system of classification of the elements based on the periodic law.
  • 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.
  • pessimistically — pertaining to or characterized by pessimism or the tendency to expect only bad outcomes; gloomy; joyless; unhopeful: His pessimistic outlook kept him from applying for jobs for which he was perfectly qualified.
  • peter of amiens — c1050–1115, French monk: preacher of the first Crusade 1095–99.
  • peter principle — any of several satirical “laws” concerning organizational structure, especially one that holds that people tend to be promoted until they reach their level of incompetence.
  • petit bourgeois — a person who belongs to the petite bourgeoisie.
  • petit serjeanty — serjeanty in which the tenant renders services of an impersonal nature to the king, as providing him annually with an implement of war, as a lance or bow.
  • petty bourgeois — petit bourgeois
  • phase-switching — a technique used in radio interferometry in which the signal from one of the two antennae is periodically reversed in phase before being multiplied by the signal from the other antenna
  • 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
  • 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.
  • 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.
  • philip the bold — 1342–1404, duke of Burgundy (1363–1404), noted for his courage at Poitiers (1356) in the Hundred Years' War: regent of France for his nephew Charles VI (1368–88, 1392–1404)
  • philip the good — 1396–1467, duke of Burgundy 1419–67.
  • 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
  • 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.
  • phosphorylative — of or relating to phosphorylation
  • 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.
  • photoconductive — of, relating to, or exhibiting photoconductivity.
  • photodissociate — to split or break up molecules as a result of the absorption of photons
  • photoelasticity — the phenomenon of double refraction of polarized light by a transparent substance under elastic stress, used to measure strain in elastic, transparent materials.
  • 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
  • photoheliograph — an instrument for photographing the sun, consisting of a camera and a specially adapted telescope.
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