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liquefied petroleum gas

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noun
  1. a gas liquefied by compression, consisting of flammable hydrocarbons, as propane and butane, obtained as a by-product from the refining of petroleum or from natural gas: used chiefly as a domestic fuel in rural areas, as an industrial and motor fuel, and in organic synthesis, especially of synthetic rubber.
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Origin of liquefied petroleum gas

First recorded in 1920–25
Also called bottled gas, compressed petroleum gas, LPG, LP gas.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for compressed petroleum gas

liquefied petroleum gas

noun
  1. a mixture of various petroleum gases, esp propane and butane, stored as a liquid under pressure and used as an engine fuelAbbreviation: LPG, LP gas See also bottled gas
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012