Mucic \Mu"cic\, a. [L. mucus mucus: cf. F. mucique.]

(Chem.) Pertaining to, or derived from, gums and micilaginous substances; specif., denoting an acid obtained by the oxidation of gums, dulcite, etc., as a white crystalline substance isomeric with saccharic acid.

Source: Webster's Revised Unabridged Dictionary (1913)