Fermentation

Definitions

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. A state of agitation or excitement; a ferment.
   countable, uncountable

Equivalents

Examples

“[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.”

“The universal fusion of races, languages, and customs, which had gone on for four centuries under Roman rule⟳, had produced a corresponding fusion of creeds, an universal fermentation of human thought and faith.”

CEFR level