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17-letter words containing r, o, s, i, e, l

  • nuclear-isomerism — Chemistry. the relation of two or more compounds, radicals, or ions that are composed of the same kinds and numbers of atoms but differ from each other in structural arrangement (structural isomerism) as CH 3 OCH 3 and CH 3 CH 2 OH, or in the arrangement of their atoms in space and therefore in one or more properties. Compare optical isomerism, stereoisomerism.
  • old age pensioner — An old age pensioner is a person who is old enough to receive an pension from their employer or the government.
  • old wives' summer — a period of fine, summerlike weather occurring in Europe in autumn.
  • omphalomesenteric — (anatomy) Of or pertaining to the umbilicus and mesentery.
  • on cruise control — If you say that someone is on cruise control in a contest, you mean that they are winning the contest easily and without needing to make a lot of effort.
  • operation sealion — the codename for Hitler's proposed invasion (1940) of Great Britain
  • optical isomerism — stereoisomerism in which the isomers are identical in molecular weight and most chemical and physical properties but differ in their effect on the rotation of polarized light.
  • osculating circle — circle of curvature.
  • paleobiochemistry — the study of biochemical processes that occurred in fossil life forms.
  • paleoconservative — a person advocating an older, traditional type of conservatism, especially in politics.
  • paradoxical sleep — REM sleep.
  • parts per million — the number of units (of a substance) present in a million units of another substance
  • peloponnesian war — a war between Athens and Sparta, 431–404 b.c., that resulted in the transfer of hegemony in Greece from Athens to Sparta.
  • percussion bullet — a bullet that is exploded by percussion
  • peripheral vision — all that is visible to the eye outside the central area of focus; side vision.
  • personal distance — personal space.
  • personal equation — the tendency to personal bias that accounts for variation in interpretation or approach and for which allowance must be made.
  • personality clash — friction between two people who have different personalities or points of view
  • personnel carrier — a vehicle used for transporting troops
  • personnel officer — a worker responsible for recruiting employees and dealing with matters relating to them
  • philosopher kings — the Platonic ideal of a ruler, philosophically trained and enlightened.
  • pillion passenger — a person who travels in a seat or place behind the rider of a motorcycle, scooter, horse, etc
  • pincushion flower — scabious2 (def 1).
  • point reyes lilac — a prostrate shrub, Ceanothus gloriosus, of southern California, having leathery, roundish leaves and purplish or deep-blue flowers.
  • pointer swizzling — swizzle
  • poison-pen letter — A poison-pen letter is an unpleasant unsigned letter which is sent in order to upset someone or to cause trouble.
  • polar coordinates — Usually, polar coordinates. one of two coordinates used to locate a point in a plane by the length of its radius vector and the angle this vector makes with the polar axis (polar angle)
  • polystyrene chips — small pieces of polystyrene used for insulating or packing
  • positive electron — positron.
  • positive polarity — the grammatical characteristic of a word or phrase, such as delicious or rather, that may normally only be used in a semantically or syntactically positive or affirmative context
  • post-and-rail tea — (in the 19th century) a coarse tea in which floating particles resembled a post-and-rail fence
  • postal stationery — an envelope, postal card, wrapper, or aérogramme, with the stamp printed directly on the paper.
  • postural drainage — a therapy for clearing congested lungs by placing the patient in a position for drainage by gravity, often accompanied by percussion with hollowed hands.
  • power supply unit — (hardware)   (PSU) An electronic module that converts high voltage (110 or 240 VAC) alternating current mains electricity into smoothed direct current at the various differnt voltages required by the motherboard; internal peripheral devices, cheifly storage devices: hard disks, CD or DVD, floppy disks and external connections such as USB. A PSU needs a high enough power output rating to supply all the devices connected to it and should output as little as possible electrical noise, both on the output wires and as electromagnetic radiation. See also uninterruptable power supply.
  • prefect apostolic — the administrator, usually below the rank of bishop, in charge of a prefecture apostolic.
  • preferential shop — a shop in which union members are preferred, usually by agreement of an employer with a union.
  • presentationalism — a style of production in which the audience is addressed directly with songs, skits, exposition, etc., and no attempt is made at realism.
  • production values — the quality of a media production (such as a film) in regards to elements such as colours, quality, style, etc
  • professional army — an army of trained soldiers
  • professional foul — In football, if a player commits a professional foul, they deliberately do something which is against the rules in order to prevent another player from scoring a goal.
  • prosperity gospel — a modern version or, according to some, perversion of the gospel according to which the full blessings of God available to those who approach Him in faith and obedience include wealth, health and power
  • prostatic utricle — a small pouch near the prostate gland that opens into the urethra.
  • pseudo-historical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
  • pseudo-moralistic — a person who teaches or inculcates morality.
  • public prosecutor — an officer charged with the conduct of criminal prosecution in the interest of the public.
  • purple of cassius — a purple pigment precipitated as a sol by the interaction of gold chloride and a solution of stannic acid and stannous chloride: used chiefly in the manufacture of ruby glass, ceramic glazes, and enamels.
  • pyroligneous acid — a yellowish, acidic, water-soluble liquid, containing about 10 percent acetic acid, obtained by the destructive distillation of wood: used for smoking meats.
  • radioluminescence — luminescence induced by nuclear radiation.
  • recoil escapement — anchor escapement.
  • recreationalist's — recreationist.
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