Definition of acescence in English:

acescence

noun

  • The action of becoming acid or sour; a tendency to become acid or sour; the process of acetous fermentation. Also: acidity, sourness. In later use chiefly with reference to the volatile acidity of wine.

Origin

Mid 18th century; earliest use found in Robert Dossie (d. 1777). From acescent, perhaps after French acescence.

Pronunciation:

acescence

/əˈsɛsns/