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Noun: polytropic process
  1. An expansion or compression of a gas in which the quantity pV n is held constant, where p and V are the pressure and volume of the gas, and n is some constant.
    "The process taking place during hydrogen's compression from the 30 bar lower limit to the 200 bar upper limit is a polytropic process."

Type of: physical process, process

Encyclopedia: Polytropic process

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