n. [ L. acetum vinegar, fr. acere to be sour. ] (Chem.) A salt formed by the union of acetic acid with a base or positive radical;
a. Combined with acetic acid. [ 1913 Webster ]
n. (Chem.) a salt or ester of oxalacetic acid.
n. (Chem.) An acetate containing an excess of the basic constituent. [ Webster 1913 Suppl. ]