Fermentation

//ˌfɜː(ɹ)mənˈteɪʃən// noun

noun ·Moderate ·High school level

Definitions

Noun
  1. 1
    Any of many anaerobic biochemical reactions in which an enzyme (or several enzymes produced by a microorganism) catalyses the conversion of one substance into another; especially the conversion (using yeast) of sugars to alcohol or acetic acid with the evolution of carbon dioxide countable, uncountable
  2. 2
    a process in which an agent causes an organic substance to break down into simpler substances; especially, the anaerobic breakdown of sugar into alcohol wordnet
  3. 3
    A state of agitation or excitement; a ferment. countable, uncountable

    "[T]he Grace that is then given to us is like a piece of Leven put into a lump of dough, and Faith and Repentance do in all the periods of our life put it into fermentation and activity."

  4. 4
    a state of agitation or turbulent change or development wordnet

Example

More examples

"In about ten days the first fermentation will definitely be finished."

Etymology

From Middle English fermentacioun, from Latin fermentātiō, fermentātiōnem. By surface analysis, ferment + -ation.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.