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17-letter words containing p, e, t, o, f

  • positive definite — (of a quadratic form) positive for all real values of the variables, where the values are not all zero.
  • positive feedback — Electronics. the process of returning part of the output of a circuit, system, or device to the input, either to oppose the input (negative feedback) or to aid the input (positive feedback) acoustic feedback.
  • potassium sulfate — a crystalline, water-soluble solid, K 2 SO 4 , used chiefly in the manufacture of fertilizers, alums, and mineral water, and as a reagent in analytical chemistry.
  • potato leafhopper — any of various leafhoppers that are serious pests, damaging a wide variety of cultivated and wild plants, especially potatoes.
  • power of attorney — a written document given by one person or party to another authorizing the latter to act for the former.
  • pre-configuration — the relative disposition or arrangement of the parts or elements of a thing.
  • pre-manifestation — an act of manifesting.
  • pre-modifications — an act or instance of modifying.
  • pre-qualification — a quality, accomplishment, etc., that fits a person for some function, office, or the like.
  • 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.
  • probation officer — an officer who investigates and reports on the conduct of offenders who are free on probation.
  • profile component — attainment targets in different subjects brought together for the general assessment of a pupil
  • proof of identity — a document or documents used to verify someone's identity
  • protection factor — a figure representing the relative degree of protection from the sun's rays afforded by a particular sunscreen
  • protective tariff — a tariff levied on imports to protect the domestic economy rather than to raise revenue
  • pseudo-scientific — any of various methods, theories, or systems, as astrology, psychokinesis, or clairvoyance, considered as having no scientific basis.
  • publicity officer — a person who is employed to get publicity for an organization, or to provide information about it
  • put one's feet up — relax
  • put the finger on — to inform on or identify, esp for the police
  • refractory period — a short period after a nerve or muscle cell fires during which the cell cannot respond to additional stimulation.
  • return of capital — A return of capital is a situation in which you receive back money that was previously invested.
  • safety inspection — an inspection of a place carried out to ensure that it is safe and not dangerous
  • safety precaution — a precaution that is taken in order to ensure that something is safe and not dangerous
  • seat-of-the-pants — using or based on experience, instinct, or guesswork: a seat-of-the-pants management style.
  • self-appreciation — gratitude; thankful recognition: They showed their appreciation by giving him a gold watch.
  • self-emancipation — the act of emancipating.
  • self-incompatible — not capable of self-pollination.
  • self-presentation — an act of presenting.
  • self-preservation — preservation of oneself from harm or destruction.
  • self-purification — a natural process of purifying, as the ability of a body of water to rid itself of pollutants.
  • self-reproduction — the act or process of reproducing.
  • set one's cap for — a close-fitting covering for the head, usually of soft supple material and having no visor or brim.
  • software platform — a major piece of software, as an operating system, an operating environment, or a database, under which various smaller application programs can be designed to run.
  • spaghettification — the theoretical stretching of an object as it encounters extreme differences in gravitational forces, especially those associated with a black hole.
  • span of attention — attention span.
  • sports facilities — places and things for doing sports
  • stereospecificity — (of a reaction) producing a simple stereoisomer.
  • sulfurated potash — a yellowish-brown mixture consisting mainly of potassium polysulfides and potassium thiosulfate, used in treating mange.
  • take the place of — replace, be a substitute for
  • take upon oneself — to take the responsibility for; accept as a charge
  • temple of artemis — the temple at Ephesus dedicated to Artemis.
  • terminal platform — (in the oil industry) an offshore platform from which oil or gas is pumped ashore through a pipeline
  • the depths of sth — the deepest, most intense, or most severe part
  • the olympic flame — the flame that is symbolically lit at the site of the ancient Olympics in Olympia and transported by relay to the place where the Olympic Games are to be held. It is used to ignite a fire in a cauldron that will burn throughout the Games
  • the south pacific — the part of the Pacific Ocean to the south of the equator
  • to play the field — If someone plays the field, they have a number of different romantic or sexual relationships.
  • to play with fire — If you say that someone is playing with fire, you mean that they are doing something dangerous that may result in great harm for them and cause many problems.
  • traffic policeman — a policeman controlling traffic, esp while stationed at an intersection, or enforcing traffic regulations
  • wave-cut platform — a flat surface at the base of a cliff formed by erosion by waves
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