carbolic acid 名詞
 石炭酸,苯酚,酚
 Phe·nol n.  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.
 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.
 2. Any one of the series of hydroxyl derivatives of which phenol proper is the type.
 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.
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 carbolic acid
      n : a toxic white soluble crystalline acidic derivative of
          benzene; used in manufacturing and as a disinfectant and
          antiseptic; poisonous if taken internally [syn: phenol,
           hydroxybenzene, oxybenzene, phenylic acid]