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15-letter words containing a, p, i, s, h

  • parasympathetic — pertaining to that part of the autonomic nervous system consisting of nerves and ganglia that arise from the cranial and sacral regions and function in opposition to the sympathetic system, as in inhibiting heartbeat or contracting the pupil of the eye.
  • parish magazine — a magazine containing news and articles of interest to the people of a particular parish church or the local area
  • parish register — the register of the christenings, marriages, and burials in a parish.
  • parthenogenesis — development of an egg without fertilization.
  • pathophysiology — the physiology of abnormal or diseased organisms or their parts; the functional changes associated with a disease or syndrome.
  • pedagoguishness — the quality of being pedagoguish
  • 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
  • phenomenalistic — the doctrine that phenomena are the only objects of knowledge or the only form of reality.
  • philosophically — of or relating to philosophy: philosophical studies.
  • 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)
  • 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.
  • phosphoric acid — any of three acids, orthophosphoric acid, H 3 PO 4 , metaphosphoric acid, HPO 3 , or pyrophosphoric acid, H 4 P 2 O 7 , derived from phosphorus pentoxide, P 2 O 5 , and various amounts of water.
  • phosphorylation — to introduce the phosphoryl group into (an organic compound).
  • phosphorylative — of or relating to phosphorylation
  • 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.
  • photojournalism — journalism in which photography dominates written copy, as in certain magazines.
  • phototransistor — a transistor that amplifies current induced by photoconductivity.
  • phrasemongering — the act of coining memorable phrases
  • physical change — a usually reversible change in the physical properties of a substance, as size or shape: Freezing a liquid is a physical change.
  • physical memory — (memory management)   The memory hardware (normally RAM) installed in a computer. The term is only used in contrast to virtual memory.
  • physical optics — the branch of optics concerned with the wave properties of light, the superposition of waves, the deviation of light from its rectilinear propagation in a manner other than that considered by geometrical optics, the interaction of light with matter, and the quantum, corpuscular aspects of light.
  • physicalization — to express in physical terms; give form or shape to: The dancers physicalized the mood of the music.
  • physicochemical — physical and chemical: the physicochemical properties of an isomer.
  • physiologically — of or relating to physiology.
  • physiopathology — pathophysiology.
  • physiotherapist — physical therapy.
  • pick and choose — to choose or select from among a group: to pick a contestant from the audience.
  • pick-and-shovel — marked by drudgery; laborious: the pick-and-shovel work necessary to get a political campaign underway.
  • pilgrim fathers — the Pilgrims (of Plymouth Colony)
  • pistachio green — a light or medium shade of yellow green.
  • pitch blackness — extreme darkness; lack of light
  • pithecanthropus — a former genus of extinct hominids whose members have now been assigned to the proposed species Homo erectus.
  • plain of sharon — a plain in W Israel, between the Mediterranean and the hills of Samaria, extending from Haifa to Tel Aviv
  • plainclothesman — a police officer, especially a detective, who wears ordinary civilian clothes while on duty.
  • platyhelminthes — a phylum of worms having bilateral symmetry and a soft, usually flattened body, comprising the flatworms.
  • point-and-shoot — of or denoting a camera that does not require manual adjustment of shutter speed, focus, aperture, etc.
  • polish notation — a logical notation that dispenses with the need for brackets by writing the logical constants as operators preceding their arguments
  • pontine marshes — an area of W Italy, southeast of Rome: formerly malarial swamps, drained in 1932–34 after numerous attempts since 160 bc had failed
  • port washington — a town on NW Long Island, in SE New York.
  • posthemorrhagic — occurring after a haemorrhage
  • power macintosh — Power Mac
  • pre-established — to establish beforehand.
  • probationership — the position of a probationer
  • process heating — Process heating is heating, usually from steam, which is used to increase the temperature in a process vessel.
  • proscenium arch — the arch separating the stage from the auditorium
  • protospatharius — (of the Byzantine empire) a high-ranking official in the imperial guard
  • pseudepigraphon — any book of the Pseudepigrapha
  • pseudo-bohemian — living a wandering or vagabond life, as a Gypsy.
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