1808, from French acétique "pertaining to vinegar," from Latin acetum "vinegar" (properly vinum acetum "wine turned sour;" see vinegar), originally past participle of ace [..]

All wines have some traces of acetic acids, which offer a vinegar scent. Too much acetic acid destroys a wine. Acetic acids are the cause behind volatile acidity, or VA.

adj. Of, pertaining to, or of the nature of vinegar.

(adj) relating to or containing acetic acid

In wine evaluation, the odor of acetic acid and ethyl acetate. Acetic Acid:

<chemistry> Of a pertaining to vinegar; producing vinegar; producing vinegar; as, acetic fermentation. Pertaining to, containing, or derived from, acetyl, as acetic ether, acetic acid. The latter is the acid to which the sour taste of vinegar is due. Origin: L. Acetum = vinegar, fr. Acere to be sour. (01 Mar 1998)

(organic chemistry) Of, pertaining to, or producing vinegar (organic chemistry) Of or pertaining to acetic acid or its derivatives