单词 | phenylene |
释义 | phenylene/ˈfɛnɪliːn/Chemistry noun Originally: a supposed hydrocarbon having the formula C6H4. Now: each of three divalent radicals —C6H4, derived from benzene by the loss of two hydrogen atoms. Usually attributive or in the names of chemical compounds. OriginMid 19th century. From phenyl + -ene. |
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