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

  • 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.
  • percussion lock — a gunlock on a firearm that fires by striking a percussion cap.
  • percussion tool — a power driven tool which operates by striking rapid blows: the power may be electricity or compressed air
  • perissosyllabic — (of a line of verse) containing more syllables than expected for the metre being used
  • peroxide blonde — You can refer to a woman whose hair has been artificially been made lighter in colour as a peroxide blonde, especially when you want to show that you disapprove of this, or that you think her hair looks unnatural or unattractive.
  • peroxysulphuric — as in peroxysulphuric acid
  • personal friend — a person who is a friend, rather than a colleague or acquaintance
  • personal injury — injury to an individual
  • personalization — to have marked with one's initials, name, or monogram: to personalize stationery.
  • phenolphthalein — a white, crystalline compound, C 2 0 H 1 4 O 4 , used as an indicator in acid-base titration and as a laxative.
  • 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.
  • phenylketonuria — an inherited disease due to faulty metabolism of phenylalanine, characterized by phenylketones in the urine and usually first noted by signs of mental retardation in infancy.
  • phenylketonuric — an inherited disease due to faulty metabolism of phenylalanine, characterized by phenylketones in the urine and usually first noted by signs of mental retardation in infancy.
  • philip the bold — 1342–1404, duke of Burgundy (1363–1404), noted for his courage at Poitiers (1356) in the Hundred Years' War: regent of France for his nephew Charles VI (1368–88, 1392–1404)
  • philip the good — 1396–1467, duke of Burgundy 1419–67.
  • phlebosclerosis — sclerosis, or hardening, of the walls of veins.
  • 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.
  • phoenix islands — a group of eight coral islands in the central Pacific: administratively part of Kiribati. Area: 28 sq km (11 sq miles). The islands and surrounding waters form the Phoenix Islands Protected Area, the world's largest marine protected area. Area: 410 500 sq km (158 500 sq miles)
  • phosphorylative — of or relating to phosphorylation
  • photoelasticity — the phenomenon of double refraction of polarized light by a transparent substance under elastic stress, used to measure strain in elastic, transparent materials.
  • photoelectronic — relating to electronic effects or devices affected by light
  • photoheliograph — an instrument for photographing the sun, consisting of a camera and a specially adapted telescope.
  • 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.
  • phototheodolite — an optical tracking instrument consisting of a camera and theodolite mounted on a single tripod, used in photogrammetry and in tracking rockets.
  • 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.
  • physicochemical — physical and chemical: the physicochemical properties of an isomer.
  • phytochemically — in a phytochemical manner
  • pick-and-shovel — marked by drudgery; laborious: the pick-and-shovel work necessary to get a political campaign underway.
  • pierrot lunaire — a cycle of 21 songs (1912) for voice and instruments, by Arnold Schönberg, written in Sprechgesang style and set to poems of Albert Giraud in German translation.
  • pinkster flower — a wild azalea, Rhododendron periclymenoides, of the U.S., having pink or purplish flowers.
  • plain chocolate — dark eating chocolate
  • plainclothesman — a police officer, especially a detective, who wears ordinary civilian clothes while on duty.
  • plantaginaceous — relating to or belonging to the family Plantaginaceae
  • plastic surgeon — doctor who performs cosmetic surgery
  • plate tectonics — a theory of global tectonics in which the lithosphere is divided into a number of crustal plates, each of which moves on the plastic asthenosphere more or less independently to collide with, slide under, or move past adjacent plates.
  • 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.
  • play favourites — to display favouritism
  • pleasure-loving — enjoying pleasure
  • plenipotentiary — a person, especially a diplomatic agent, invested with full power or authority to transact business on behalf of another.
  • 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
  • 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.
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