LPG Meaning of LPG in English LPG /ˌel piː ˈdʒiː/ BrE AmE ( also ˌLP ˈgas ) noun [uncountable] (liquefied petroleum gas) a type of liquid ↑ fuel that is burned to produce heat or power Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012