'Butyric acid' definitions:

Definition of 'butyric acid'

From: WordNet
noun
An unpleasant smelling fatty acid found especially in butter [syn: butyric acid, butanoic acid]

Definition of 'Butyric acid'

From: GCIDE
  • Butyric \Bu*tyr"ic\, a. (Chem.) Pertaining to, or derived from, butter. [1913 Webster]
  • 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. [1913 Webster]