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单词 terpin hydrate
释义 terpin hydrate
noun
: an efflorescent crystalline or powdery compound C10H18(OH)2.H2O formed from cis-terpene by absorption of water, obtained usually from turpentine oil or alpha-pinene by hydration with dilute acids or from pine oil by steaming the residual rosin, and used as an expectorant for a cough and as an intermediate in making terpineol
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更新时间:2024/11/11 18:52:45