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

  • packet-switched — packet switching
  • pairs champions — competitors in or winners of a pairs championship
  • paleogeophysics — (used with a plural verb) inferred geophysical conditions or processes of designated periods of the geologic past.
  • panoramic sight — an artillery sight that can be rotated horizontally in a full circle.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • plainclothesman — a police officer, especially a detective, who wears ordinary civilian clothes while on duty.
  • posthemorrhagic — occurring after a haemorrhage
  • power macintosh — Power Mac
  • 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
  • pseudo-chemical — of, used in, produced by, or concerned with chemistry or chemicals: a chemical formula; chemical agents.
  • psychedelically — of or noting a mental state characterized by a profound sense of intensified sensory perception, sometimes accompanied by severe perceptual distortion and hallucinations and by extreme feelings of either euphoria or despair.
  • psychedelicware — /si:"k*-del"-ik-weir/ [UK] Synonym display hack. See also smoking clover.
  • psychiatrically — the practice or science of diagnosing and treating mental disorders.
  • psychoacoustics — the study of sound perception.
  • psychobiography — a biographical study focusing on psychological factors, as childhood traumas and unconscious motives.
  • psychodiagnosis — a psychological examination using psychodiagnostic techniques.
  • psychogeriatric — the psychology of old age.
  • psychographical — relating to psychographics
  • psychohistorian — a person who writes psychohistory
  • psychologically — of or relating to psychology.
  • psychotherapist — the treatment of psychological disorders or maladjustments by a professional technique, as psychoanalysis, group therapy, or behavioral therapy.
  • quasi-spherical — having the form of a sphere; globular.
  • raster graphics — (graphics)   Computer graphics in which an image is composed of an array of pixels arranged in rows and columns. Opposite: vector graphics.
  • reservoir patch — A reservoir patch is an adhesive patch enclosing an amount of medicine. The patch is applied to the skin, and the medicine in it is delivered through a membrane into the skin and into the bloodstream.
  • saprophytically — any organism that lives on dead organic matter, as certain fungi and bacteria.
  • schlieffen plan — a plan intended to ensure German victory over a Franco-Russian alliance by holding off Russia with minimal strength and swiftly defeating France by a massive flanking movement through the Low Countries, devised by Alfred, Count von Schlieffen (1833–1913) in 1905
  • schopenhauerian — Arthur [ahr-too r] /ˈɑr tʊər/ (Show IPA), 1788–1860, German philosopher.
  • schopenhauerism — the philosophy of Schopenhauer, who taught that only the cessation of desire can solve the problems arising from the universal impulse of the will to live.
  • scratching post — a block or post of wood, usually covered with carpeting, on which a cat can use its claws.
  • ship's articles — a type of contract by which sailors agree to the conditions, payment, etc, for the ship in which they are going to work
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