英语词汇“polymethylene”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	polymethylene
释义	poly·methylene \“+\ noun Etymology: International Scientific Vocabulary poly- + methylene 1. : a hydrocarbon constituted of methylene groups: as a. : cycloparaffin b. : a polymer of high molecular weight that resembles polyethylene except for its entirely linear and unbranched structure and that is usually made from diazomethane by loss of nitrogen 2. : a bivalent radical −(CH₂)_n− consisting of a series of methylene groups < polymethylene halides >
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