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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.

Origin

Mid 19th century. From phenyl + -ene.

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更新时间:2024/11/12 8:45:00