'C4H4O' definitions:

Definition of 'C4H4O'

From: GCIDE
  • Furfuran \Fur"fu*ran\, n. [L. furfur bran.] (Chem.) A colorless, oily substance, C4H4O, obtained by distilling certain organic substances, as pine wood, salts of pyromucic acid, etc.; -- called also tetraphenol. [1913 Webster]

Definition of 'C4H4O'

From: GCIDE
  • Glycolide \Gly"co*lide\, n. [Glycol + anhydride.] (Chem.) A white amorphous powder, C4H4O, obtained by heating and dehydrating glycolic acid. [Written also glycollide.] [1913 Webster]