Definition of propane noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈprəʊpeɪn//
; NAmE NAmE//ˈproʊpeɪn//
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a gas found in natural gas and petroleum and used as a fuel for cooking and heating a propane gas cylinder Word Origin mid 19th cent.: from propionic acid + -ane.
See the Oxford Advanced American Dictionary entry: propane