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单词 superdecompound
释义

superdecompound

/ˈsuːpəˌdiːˌkɒmpaʊnd/ /ˈsjuːpəˌdiːˌkɒmpaʊnd/
noun
Chemistry. A substance formed by repeated compounding. Compare decompound rare. Now historical.

Origin

Mid 18th century; earliest use found in Henckel's Pyritologia. From super- + decompound; in use in chemistry as noun after post-classical Latin superdecompositus, adjective; in use in botany as adjective after post-classical Latin supradecompositus.

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更新时间:2024/12/23 20:34:37