A*ce"tic [L. acetum vinegar, fr. acere to be sour.] Chem. (a)
Of a pertaining to vinegar; producing vinegar; producing vinegar; as, acetic fermentation.
(b)
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.
© Webster 1913.