A·cet·i·fy v. t. [imp. & p. p. Acetified p. pr. & vb. n. Acetifying ]  To convert into acid or vinegar.
  acetify
       v 1: make sour or more sour [syn: sour, acidify, acidulate]
            [ant: sweeten]
       2: turn acidic; "the solution acetified" [syn: acidify] [ant:
           alkalize]
       [also: acetified]