D defs.my
Entry 1 sense Webster, 1913

Acetification

· A·cet·i·fi·ca·tion · IPA /əˌsiː.tɪ.fɪˈkeɪ.ʃən/
01 n. The act of making acetous or sour; the process of converting, or of becoming converted, into vinegar.
  1. 1.
    The act of making acetous or sour; the process of converting, or of becoming converted, into vinegar.