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olefine 鏈烯烴 鏈烯烴 olefine n 1: any unsaturated aliphatic hydrocarbon [synonym: {alkene}, {olefine}, {olefin}] olefin \o"le*fin\, olefine \o"le*fine\([=o]"l[-e]*f[i^]n or
[=o]"l[-e]*f[=e]n), n. [From {Olefiant}.] 1. (Chem.) Olefiant gas, or ethylene. See {Ethylene}. [archaic] [1913 Webster] 2. Hence: (Chem.) Any one of the series of unsaturated hydrocarbons of which ethylene is the type; a member of the alkene series of hydrocarbons; an alkene. [1913 Webster PJC]
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