单词 | alkylene |
释义 | alkylene/ˈalkɪliːn/Chemistry noun An alkene or olefin; a divalent radical or group derived from an alkene by the loss of two hydrogen atoms. Chiefly attributive or as a formative element in names of compounds. OriginLate 19th century; earliest use found in Edgar Fahs Smith (1854–1928). From alkyl + -ene, after German Alkylen. |
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