Source : Webster's Revised Unabridged Dictionary (1913)

Acetate \Ac"e*tate\, 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; as, acetate of lead, acetate of potash.

Source : WordNet®

acetate
     n 1: a salt or ester of acetic acid [syn: {ethanoate}]
     2: a fabric made from cellulose acetate fibers [syn: {acetate
        rayon}]