Acetic Acid

(a-se'tik.) [Same der iv.] (Chem.) An acid which exists naturally in the juices of several trees. It has a very pungent sour taste and odor, blisters the skin, solidifies at about 60° F., and boils at 246° F.; sp. gr. 1.0635; Form. C2H4O2. Ordinary vinegar is a weak, and generally an impure, acetic acid. [s. 6]