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

  • palaeomagnetism — the study of the fossil magnetism in rocks, used to determine the past configurations of the continents and to investigate the past shape and magnitude of the earth's magnetic field
  • palaeomagnetist — a student of or expert in palaeomagnetism
  • paleolithic man — any of the prehistoric populations of humans, as the Cro-Magnon, living in the late Pliocene and the Pleistocene epochs.
  • parallel motion — a mechanism arranged so as to impart rectilinear motion to a rod connected to a lever that moves through an arc.
  • paurometabolous — designating or of a group of insect orders, as orthopterans or hemipterans, in which metamorphosis to the adult state from the juvenile state is gradual and without any sudden, radical change of body form
  • payment holiday — a break taken from paying ( a debt etc) back
  • pectoral muscle — muscle of the chest
  • pellicle mirror — a fixed mirror in a single-lens reflex camera that reflects some of the light entering the lens to the ground-glass view screen while permitting most of the light to pass through to the film.
  • personal column — The personal column in a newspaper or magazine contains messages for individual people and advertisements of a private nature.
  • 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
  • plainclothesman — a police officer, especially a detective, who wears ordinary civilian clothes while on duty.
  • planned economy — an economic system in which the government controls and regulates production, distribution, prices, etc.
  • 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.
  • 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.
  • 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.
  • preimplantation — relating to the period before implantation in the uterus
  • primrose family — the plant family Primulaceae, characterized by herbaceous plants having simple, opposite, whorled, or basal leaves, flowers with a five-lobed corolla, and capsular fruit, and including cyclamen, loosestrife of the genus Lysimachia, pimpernel, primrose, and shooting star.
  • primrose yellow — primrose (def 3).
  • problem-solving — skills, process: of finding solutions
  • problematically — of the nature of a problem; doubtful; uncertain; questionable.
  • professionalism — professional character, spirit, or methods.
  • pseudo-chemical — of, used in, produced by, or concerned with chemistry or chemicals: a chemical formula; chemical agents.
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