What does acetify mean?
The definition of acetify
A*cet”i*fy, v. t.
[imp. & p. p. Acetified; p. pr. & vb. n.Acetifying.]
Etym: [L. acetum vinegar + -fly.]

To convert into acid or vinegar.

A*cet”i*fy, v. i.
To turn acid. Encyc. Dom. Econ.