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 butyric acid 名詞
 酪酸,丁酸

 Bu·tyr·ic a. Chem. Pertaining to, or derived from, butter.
 Butyric acid, C3H7.CO2H, an acid found in butter; an oily, limpid fluid, having the smell of rancid butter, and an acrid taste, with a sweetish aftertaste, like that of ether. There are two metameric butyric acids, called in distinction the normal- and iso-butyric acid. The normal butyric acid is the one common in rancid butter.
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 butyric acid
      n : an unpleasant smelling fatty acid found especially in butter
          [syn: butanoic acid]