a. Chem. [f. COLLIN + -IC.] Collinic acid, C6 H4 O2, an acid of the Aromatic series, found among the products of the oxidation of the albuminoidal substances and of gelatin.
1863–72. Watts, Dict. Chem., I. 1083. Collinic acid has a sour, pungent taste; dissolves sparingly in boiling water, easily in ether.
