'C5H5N5O' definitions:

Definition of 'C5H5N5O'

From: GCIDE
  • Guanin \Gua"nin\, n. (Physiol. Chem.) A crystalline substance (C5H5N5O) contained in guano. It is also a constituent of the liver, pancreas, and other glands in mammals. [1913 Webster]