The Collaborative International Dictionary
Acetify
Acetify \A*cet"i*fy\, v. t. [imp. & p. p. Acetified; p. pr. & vb. n. Acetifying.] [L. acetum vinegar + -fly.] To convert into acid or vinegar.
Acetify
Acetify \A*cet"i*fy\, v. i.
To turn acid.
--Encyc. Dom. Econ.
Wiktionary
acetify
vb. 1 (context transitive English) To convert into acid or vinegar. 2 (context intransitive English) To turn acid