[a. mod. Fr. acescence, f. acescent, after nouns in -nce:L. -ntia: see ACESCENT and -NCE.] The action of becoming acid or sour; the process of acetous fermentation. (Not in Johnsons Dict., though used by him.)
1765. Johnson, Note on Shaks., Timon, III. i. Alluding to the turning, or acescence of milk.
1791. Edin. New Disp., 39. Glutinous matter seems to run into putrefaction, without shewing any previous acescence.