in actual use zumic a. Chem. Obs. [f. Gr. ζύμη leaven + -IC.] Pertaining to or connected with fermentation; formerly applied to a supposed acid (afterwards shown to be impure lactic acid) obtained by fermentation of starchy substances.
1817. T. Thomson, Syst. Chem. (ed. 5), II. 189. Of Zumic Acid. I give this name to an acid recently discovered by M. Braconnot.
1826. Henry, Elem. Chem., II. 241.
