(organic chemistry) Of or pertaining to mucic acid or its derivatives

(organic chemistry) A dicarboxylic acid, HOOC-(CHOH)₄-COOH, produced by the oxidation of the milk sugar galactose, used as a test for the presence of galactose and/or lactose.

(chiefly attributive) A staining procedure used in microbiology to identify a variety of microorganisms based on whether or not the cell wall stains intensely red.