Fermentation
/fˌɜrməˈnteɪʃən/
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Definition
(noun) 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
Sentence Examples
In about ten days the first fermentation will definitely be finished.
What's the difference between fermentation and putrescence?
CEFR Practice Quiz
The ____ process for making sourdough bread takes much longer than using commercial baker's yeast.