英语词汇“ethylene”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	ethylene
释义	eth·yl·ene \ˈethəˌlēn\ noun (-s) Etymology: International Scientific Vocabulary ethyl + -ene 1. : a colorless flammable gaseous olefin hydrocarbon CH₂ = CH₂ found in coal gas, now usually obtained by pyrolysis of petroleum hydrocarbons, and used chiefly in organic synthesis (as of ethyl alcohol, polyethylene, and styrene), in promoting growth of plants and ripening of fruits, and as an anesthetic 2. : a bivalent hydrocarbon radical −CH₂CH₂− derived from ethane by removal of one hydrogen atom attached to each carbon atom or from ethylene by breaking of the double bond
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