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phenol 音标拼音: [f'inɑl] [f'ɛnəl] n. 苯酚,石碳酸 苯酚,石碳酸 phenol n 1: any of a class of weakly acidic organic compounds; molecule contains one or more hydroxyl groups 2: a toxic white soluble crystalline acidic derivative of benzene; used in manufacturing and as a disinfectant and antiseptic; poisonous if taken internally [synonym: {carbolic acid}, {phenol}, {hydroxybenzene}, {oxybenzene}, {phenylic acid}] Phenol \Phe"nol\ (f[=e]"n[=o]l; 277), n. [Gr. fai`nein to show
-ol: cf. F. ph['e]nol.] (Chem.) 1. A white or pinkish crystalline substance, {C6H5OH}, produced by the destructive distillation of many organic bodies, as wood, coal, etc., and obtained from the heavy oil from coal tar. [1913 Webster] Note: It has a peculiar odor, somewhat resembling creosote, which is a complex mixture of phenol derivatives. It is of the type of alcohols, and is called also {phenyl alcohol}, but has acid properties, and hence is popularly called {carbolic acid}, and was formerly called {phenic acid}. It is a powerful caustic poison, and in dilute solution has been used as an antiseptic. [1913 Webster] 2. Any one of the series of hydroxyl derivatives of which phenol proper is the type. [1913 Webster] {Glacial phenol} (Chem.), pure crystallized phenol or carbolic acid. {Phenol acid} (Chem.), any one of a series of compounds which are at once a derivative of phenol and an organic acid; thus, {salicylic acid} is a phenol acid. {Phenol alcohol} (Chem.), any one of series of derivatives of phenol and carbinol which have the properties of both combined; thus, {saligenin} is a phenol alcohol. {Phenol aldehyde} (Chem.), any one of a series of compounds having both phenol and aldehyde properties. {Phenol phthalein}. See {phenolphthalein}. [1913 Webster]
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