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noun, Physics.
noun, Physics.
the mathematical operation of reversing the directions of all three space coordinates. Symbol: P.


Read Also:

  • Parity price

    parity price [(par-uh-tee)] A price paid to American farmers that is designed to give them the same real income that they had between 1910 and 1914, a period selected because it was a time of agricultural prosperity.

  • Park

    [pahrk] /pɑrk/ noun 1. an area of land, usually in a largely natural state, for the enjoyment of the public, having facilities for rest and recreation, often owned, set apart, and managed by a city, state, or nation. 2. an enclosed area or a stadium used for sports: a baseball park. 3. a considerable extent […]

  • Parka

    [pahr-kuh] /ˈpɑr kə/ noun 1. a fur coat, shirtlike and hooded, for wear in the arctic and other regions of extreme cold. 2. a hip-length jacket or overshirt with an attached hood, often of wool or of a windproof, water-repellent material lined or trimmed with wool, used by skiers, hunters, the military, etc. 3. any […]

  • Parkade

    [pahr-keyd] /pɑrˈkeɪd/ noun, Canadian. 1. a building or other construction designed for the parking of motor vehicles. /ˈpɑːkeɪd/ noun 1. (Canadian) a building used as a car park

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