Ferment definition
When you cause a protesting crowd to get even madder then they already are, this is an example of when you ferment.
When you use yeast to make bread dough rise, this is an example of when you ferment.
When a group of protesters gradually becomes more and more angry about their cause, this is an example of ferment.
Cabbage that has fermented; yeasts that ferment sugars.
Origin of ferment
- Middle English from Old French from Latin fermentum bhreu- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
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From Wiktionary