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

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单词	pentamethylene
释义	Definition of pentamethylene in English: pentamethylene noun Chemistry 1The cyclic hydrocarbon cyclopentane, C₅H₁₀ (now rare). 2The divalent straight-chain radical —(CH₂)₅—, present in pentamethylenediamine. Origin Late 19th century; earliest use found in Journal of the Chemical Society. Definition of pentamethylene in US English: pentamethylene noun Chemistry 1The cyclic hydrocarbon cyclopentane, C₅H₁₀ (now rare). 2The divalent straight-chain radical —(CH₂)₅—, present in pentamethylenediamine. Origin Late 19th century; earliest use found in Journal of the Chemical Society.
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更新时间：2026/6/5 13:45:56