(~ed)
1.
Ferment is excitement and trouble caused by change or uncertainty.
The whole country has been in a state of political ~ for some months.
= turmoil
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2.
If a food, drink, or other natural substance ~s, or if it is ~ed, a chemical change takes place in it so that alcohol is produced. This process forms part of the production of alcoholic drinks such as wine and beer.
The dried grapes are allowed to ~ until there is no sugar left and the wine is dry...
To serve the needs of bakers, manufacturers ~ the yeast to produce a more concentrated product.
VERB: V, V n
~ation
Yeast is essential for the ~ation that produces alcohol.
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