|liquefied petroleum gas|
|See also bottled gas LPG, Abbreviation: LP gas a mixture of various petroleum gases, esp propane and butane, stored as a liquid under pressure and used as an engine fuel|
liquefied petroleum gas
any of several liquid mixtures of the volatile hydrocarbons propene, propane, butene, and butane. It was used as early as 1860 for a portable fuel source, and its production and consumption for both domestic and industrial use have expanded ever since. A typical commercial mixture may also contain ethane and ethylene as well as a volatile mercaptan, an odorant added as a safety precaution.
Learn more about liquefied petroleum gas with a free trial on Britannica.com.