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propylene 音标拼音: [propəl'in] n. 丙烯 丙烯 propylene n 1: a flammable gas obtained by cracking petroleum; used in organic synthesis [synonym: {propylene}, {propene}] Propylene \Pro"pyl*ene\, n. [Cf. F. propyl[`e]ne.] (Chem.)
A colorless gaseous hydrocarbon ({C3H6}) of the ethylene series, having a garlic odor. It occurs in coal gas, and is produced artificially in various ways. Called also {propene}. [1913 Webster]
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