[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 Johnson’s Dict., though used by him.)

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1765.  Johnson, Note on Shaks., Timon, III. i. Alluding to the turning, or acescence of milk.

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1791.  Edin. New Disp., 39. Glutinous matter seems to run into putrefaction, without shewing any previous acescence.

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