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14-letter words containing p, e, r, c, h

  • phenylcarbinol — benzyl alcohol.
  • phillips curve — a curve that purports to plot the relationship between unemployment and inflation on the theory that as inflation falls unemployment rises and vice versa
  • phillips screw — a screw having a cruciform slot into which a screwdriver with a cruciform point (Phillips screwdriver (trademark)) fits
  • phonochemistry — the branch of chemistry concerned with the chemical effects of sound and ultrasonic waves
  • phonoreception — the physiological perception of sound.
  • phosphate rock — phosphorite.
  • phosphorescent — exhibiting phosphorescence.
  • phosphoroscope — an instrument for measuring the duration of evanescent phosphorescence in different substances.
  • photochemistry — the branch of chemistry that deals with the chemical action of light.
  • photoelectrode — an electrode that, following the absorption of light, can initialize electrochemical transformations
  • photorealistic — a style of painting flourishing in the 1970s, especially in the U.S., England, and France, and depicting commonplace scenes or ordinary people, with a meticulously detailed realism, flat images, and barely discernible brushwork that suggests and often is based on or incorporates an actual photograph.
  • photoreception — the physiological perception of light.
  • photoreceptive — of or relating to photoreception
  • photorecording — the act of making photographic records, especially of documents.
  • photoreduction — a reduction reaction induced by light.
  • phraseological — manner or style of verbal expression; characteristic language: legal phraseology.
  • physical layer — (networking)   Layer one, the lowest layer in the OSI seven layer model. The physical layer encompasses details such as electrical and mechanical connections to the network, transmission of binary data as changing voltage levels on wires or similar concepts on other connectors, and data rates. The physical layer is used by the data link layer. Example physical layer protocols are CSMA/CD, token ring and bus.
  • phytochemistry — the branch of biochemistry dealing with plants and plant processes.
  • piece together — a separate or limited portion or quantity of something: a piece of land; a piece of chocolate.
  • piezochemistry — the study of chemical reactions at high pressures
  • pinhole camera — a simple camera in which an aperture provided by a pinhole in an opaque diaphragm is used in place of a lens.
  • pitch cylinder — (in a gear or rack) an imaginary surface forming a plane (pitch plane) a cylinder (pitch cylinder) or a cone or frustrum (pitch cone) that moves tangentially to a similar surface in a meshing gear so that both surfaces travel at the same speed.
  • pithecanthrope — (sometimes initial capital letter) a member of the former genus Pithecanthropus.
  • plenum-chamber — a system of mechanical ventilation in which fresh air is forced into the spaces to be ventilated from a chamber (plenum chamber) at a pressure slightly higher than atmospheric pressure, so as to expel foul air.
  • plesiochronous — (communications)   Nearly synchronised, a term describing a communication system where transmitted signals have the same nominal digital rate but are synchronised on different clocks. According to ITU-T standards, corresponding signals are plesiochronous if their significant instants occur at nominally the same rate, with any variation in rate being constrained within specified limits.
  • pneumothoraces — the presence of air or gas in the pleural cavity.
  • pocket borough — (before the Reform Bill of 1832) any English borough whose representatives in Parliament were controlled by an individual or family.
  • poikilothermic — cold-blooded (def 1 .) (opposed to homoiothermal).
  • polysaccharide — a carbohydrate, as starch, inulin, or cellulose, containing more than three monosaccharide units per molecule, the units being attached to each other in the manner of acetals, and therefore capable of hydrolysis by acids or enzymes to monosaccharides.
  • porcupine fish — any of several fishes of the family Diodontidae, especially Diodon hystrix, of tropical seas, capable of inflating the body with water or air until it resembles a globe, with erection of the long spines covering the skin.
  • port charlotte — a town in SW Florida.
  • practice-teach — to work as a practice teacher.
  • prairie school — a group of early 20th-century architects of the Chicago area who designed houses and other buildings with emphasized horizontal lines responding to the flatness of the Midwestern prairie; the best-known member was Frank Lloyd Wright.
  • pre-bachelor's — an unmarried man.
  • pre-psychology — the science of the mind or of mental states and processes.
  • preanaesthetic — a drug administered prior to an anaesthetic
  • prepsychedelic — describing the period before the psychedelic era
  • pride of china — the chinaberry, Melia azedarach.
  • private school — a school founded, conducted, and maintained by a private group rather than by the government, usually charging tuition and often following a particular philosophy, viewpoint, etc.
  • pro-censorship — the act or practice of censoring.
  • process cheese — a cheese made by heating and blending together several natural cheeses with an emulsifying agent
  • project athena — (project)   A distributed system project for support of educational and research computing at MIT. Much of the software developed is now in wider use, especially the X Window System.
  • prosencephalon — the forebrain.
  • prosthetically — a device, either external or implanted, that substitutes for or supplements a missing or defective part of the body.
  • pseudo-archaic — marked by the characteristics of an earlier period; antiquated: an archaic manner; an archaic notion.
  • psychic energy — according to Freud, the force that lies behind all mental processes, having its basic source as the id.
  • psychoneurosis — neurosis (def 1).
  • pterylographic — relating to pterylography
  • punch operator — a person who enters data into cards by means of punching holes
  • purchase order — document requesting to buy sth
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