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15-letter words containing p, a, r, c, h

  • paracetaldehyde — paraldehyde.
  • parachute brake — a parachute opened horizontally from the tail of an airplane upon landing, used as an aid in braking. Also called parabrake. Compare drogue parachute (def 2).
  • paraheliotropic — (of leaves) turning away from light; sun-avoiding
  • 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.
  • parchment paper — a waterproof and grease-resistant paper produced by treating ordinary paper with concentrated sulfuric acid.
  • parenthetically — of, pertaining to, noting, or of the nature of a parenthesis: several unnecessary parenthetic remarks.
  • parhelic circle — a white, horizontal band passing through the sun, either incomplete or extending around the horizon, produced by the reflection of the sun's rays from the vertical faces of ice prisms in the atmosphere.
  • parmesan cheese — of or from Parma, in northern Italy.
  • parthenogenetic — development of an egg without fertilization.
  • pass-the-parcel — a children's game in which a parcel with lots of wrappings is passed round while music plays; each time the music stops the person holding the parcel takes a layer of wrapping off
  • passenger coach — a carriage in which passengers sit
  • patchwork quilt — cover sewn from patches of cloth
  • pavel petrovich — Paul I (def 2).
  • peacock feather — a (distinctive and brightly coloured) feather from the peacock
  • penshurst place — a 14th-century mansion near Tunbridge Wells in Kent: birthplace of Sir Philip Sidney; gardens laid out from 1560
  • perchloric acid — a colorless, syrupy hygroscopic liquid, HClO 4 , an acid of chlorine containing one more oxygen atom than chloric acid: used chiefly as a reagent in analytical chemistry.
  • perchloroethane — hexachloroethane.
  • perpetual check — a continuing series of checks resulting in a drawn game because they cannot be halted or evaded without resulting in checkmate or a serious disadvantage.
  • 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.
  • pharmacological — the science dealing with the preparation, uses, and especially the effects of drugs.
  • pharmacotherapy — the treatment of disease through the administration of drugs.
  • philanthropical — of, pertaining to, engaged in, or characterized by philanthropy; benevolent: a philanthropic foundation.
  • 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
  • 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.
  • 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.
  • photomacrograph — a photograph showing a subject at actual size or somewhat larger.
  • photomicrograph — a photograph taken through a microscope.
  • photorefractive — of or relating to a change in the index of refraction by spatial variations of the light intensity, as in a laser.
  • phototropically — in a phototropic manner
  • phrenologically — in a manner relating to phrenology
  • physical memory — (memory management)   The memory hardware (normally RAM) installed in a computer. The term is only used in contrast to virtual memory.
  • pied flycatcher — a small black and white migratory bird of Europe and western Asia, Ficedula hypoleuca
  • pinochet ugarte — Augusto [ou-goos-taw] /aʊˈgus tɔ/ (Show IPA), 1915–2006, Chilean army general and political leader: president 1973–90.
  • pistachio green — a light or medium shade of yellow green.
  • pithecanthropus — a former genus of extinct hominids whose members have now been assigned to the proposed species Homo erectus.
  • planter's punch — a punch made with rum, lime juice, sugar, and water or soda.
  • pleochroic halo — a dark-colored, microscopic ring around a minute radioactive particle in certain mineral crystals, used in estimating the age of the rocks containing these crystals
  • polychlorinated — having multiple chlorine atoms
  • polymorphically — in a polymorphic manner
  • posthemorrhagic — occurring after a haemorrhage
  • power macintosh — Power Mac
  • prairie chicken — either of two North American gallinaceous birds of western prairies, Tympanuchus cupido (greater prairie chicken) or T. pallidicinctus (lesser prairie chicken) having rufous, brown, black, and white plumage.
  • primary teacher — a teacher in a primary school
  • prince charming — (sometimes lowercase) a man who embodies a woman's romantic ideal.
  • process heating — Process heating is heating, usually from steam, which is used to increase the temperature in a process vessel.
  • progress chaser — a person employed to make sure at each stage, esp of a manufacturing process, that a piece of work is on schedule and is delivered to the customer on time
  • proscenium arch — the arch separating the stage from the auditorium
  • psychedelicware — /si:"k*-del"-ik-weir/ [UK] Synonym display hack. See also smoking clover.
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