单词 | alcohol |
释义 | Word Frequency alcohol(ˈælkəˌhɒl) noun 1. Also called: ethanol, ethyl alcohol a colourless flammable liquid, the active principle of intoxicating drinks, produced by the fermentation of sugars, esp glucose, and used as a solvent and in the manufacture of organic chemicals. Formula: C2H5OH 2. a drink or drinks containing this substance 3. chemistry any one of a class of organic compounds that contain one or more hydroxyl groups bound to carbon atoms. The simplest alcohols have the formula ROH, whereRis an alkyl group Compare phenol (sense 2), See also diol, triol Word origin C16: via New Latin from Medieval Latin, from Arabic al-kuhl powdered antimony; see kohl |
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