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15-letter words containing e, m, p, l

  • peruvian balsam — Peru balsam.
  • 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.
  • petroleum ether — a volatile mixture of the higher alkane hydrocarbons, obtained as a fraction of petroleum and used as a solvent
  • petroleum jelly — sticky substance used as lubricant
  • phenomenalistic — the doctrine that phenomena are the only objects of knowledge or the only form of reality.
  • phenomenologies — the study of phenomena.
  • phenomenologist — the study of phenomena.
  • phloem necrosis — a disease of the American elm caused by a mycoplasmalike organism, characterized by yellowing and necrosis of the foliage and yellowish-brown discoloration of the phloem.
  • photomechanical — noting or pertaining to any of various processes for printing from plates or surfaces prepared by the aid of photography.
  • photomultiplier — an extremely sensitive detector of light and of other radiation, consisting of a tube in which the electrons released by radiation striking a photocathode are accelerated, greatly amplifying the signal obtainable from small quantities of radiation.
  • physical memory — (memory management)   The memory hardware (normally RAM) installed in a computer. The term is only used in contrast to virtual memory.
  • physicochemical — physical and chemical: the physicochemical properties of an isomer.
  • phytochemically — in a phytochemical manner
  • picture element — (graphics)   (pixel) The smallest resolvable rectangular area of an image, either on a screen or stored in memory. Each pixel in a monochrome image has its own brightness, from 0 for black to the maximum value (e.g. 255 for an eight-bit pixel) for white. In a colour image, each pixel has its own brightness and colour, usually represented as a triple of red, green and blue intensities (see RGB). Compare voxel.
  • pilgrim fathers — the Pilgrims (of Plymouth Colony)
  • pilgrimage site — a shrine or other sacred place that people travel to as an act of religious devotion
  • pinball machine — the tablelike, usually coin-operated machine on which pinball is played.
  • plainclothesman — a police officer, especially a detective, who wears ordinary civilian clothes while on duty.
  • planimetrically — in a planimetric manner
  • planned economy — an economic system in which the government controls and regulates production, distribution, prices, etc.
  • plant agreement — a collective agreement at plant level within industry
  • plant-hire firm — a company that hires out mobile mechanical equipment for construction, road-making, etc
  • plasma membrane — cell membrane.
  • platform rocker — a rocking chair supported on a stationary base
  • platform scales — a weighing machine which has a platform that you put something on to be weighed
  • platform tennis — a variation of tennis played on a wooden platform enclosed with chicken wire in which the players hit a rubber ball with wooden paddles following the same basic rules as tennis except that only one serve is permitted and balls can be played off the back and side fences.
  • platform ticket — a pass allowing a visitor to enter upon a railroad platform from which those not traveling are ordinarily excluded.
  • platinum blonde — a person, especially a girl or woman, whose hair is of a pale blond or silver color, usually colored artificially by bleaching or dyeing.
  • platyhelminthes — a phylum of worms having bilateral symmetry and a soft, usually flattened body, comprising the flatworms.
  • play the market — to speculate on a stock exchange
  • plethysmography — the tracking of changes measured in bodily volume
  • pleuropneumonia — pleurisy conjoined with pneumonia.
  • plug compatible — of or relating to computers or peripheral devices that are functionally equivalent to, and may be substituted for, other models.
  • plug-compatible — of or relating to computers or peripheral devices that are functionally equivalent to, and may be substituted for, other models.
  • plumbaginaceous — belonging to the Plumbaginaceae, the leadwort family of plants.
  • plumber's snake — snake (def 3a).
  • plumbers-friend — Machinery. a pistonlike reciprocating part moving within the cylinder of a pump or hydraulic device.
  • plural marriage — (broadly) any of the diverse forms of interpersonal union established in various parts of the world to form a familial bond that is recognized legally, religiously, or socially, granting the participating partners mutual conjugal rights and responsibilities and including, for example, opposite-sex marriage, same-sex marriage, plural marriage, and arranged marriage: Anthropologists say that some type of marriage has been found in every known human society since ancient times. See Word Story at the current entry.
  • pneumatic drill — a percussive power drill powered by compressed air
  • poikilothermism — the state or quality of being cold-blooded, as fishes and reptiles.
  • poke mullock at — to ridicule
  • police marksman — a police officer skilled in precision shooting, esp with a sniper rifle
  • polynomial-time — (complexity)   (P) The set or property of problems which can be solved by a known polynomial-time algorithm.
  • polyphemus moth — a large, yellowish-brown American silkworm moth, Antheraea polyphemus, having a prominent eyespot on each hind wing and feeding on cherry, apple, and other trees.
  • portable pixmap — (file format)   (PPM) A colour image file format. A PPM file contains the following: a two character "{magic number}" - "P3", the width in pixels, the height in pixels, the maximum colour component value, HEIGHT rows of WIDTH {pixels}. The rows are ordered from top to bottom with the pixels in each row ordered from left to right. Each pixel is represented as three values for red, green, and blue. All parts are separated by whitespace and numbers are in decimal ASCIII representation. A zero pixel component means that colour is absent. Characters from a "#" to the next end-of-line are ignored and no line should be longer than 70 characters. Here is an example of a small pixmap in this format: P3 # feep.ppm 4 4 15 0 0 0 0 0 0 0 0 0 15 0 15 0 0 0 0 15 7 0 0 0 0 0 0 0 0 0 0 0 0 0 15 7 0 0 0 15 0 15 0 0 0 0 0 0 0 0 0 A "RAWBITS" variant has magic number "P6", pixel values are stored as plain binary bytes, instead of ASCII decimal and no whitespace is allowed after a single whitespace character after the maximum colour component value which must be less than or equal to 255.
  • portland cement — a type of hydraulic cement usually made by burning a mixture of limestone and clay in a kiln.
  • positive column — the luminous region between the Faraday dark space and the anode glow in a vacuum tube, occurring when the pressure is low.
  • post-millennial — of or relating to the period following the millennium.
  • potato omelette — a type of Spanish omelette made using eggs, fried potato, and sometimes onion
  • power amplifier — an amplifier for increasing the power of a signal.
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