Open English Wordnet
Nouns
(n)agitation, ferment, fermentation, tempestuousness, unresta state of agitation or turbulent change or development“the political ferment produced new leadership”, “social unrest”
(n)zymosis, zymolysis, fermentation, fermenting, fermenta process in which an agent causes an organic substance to break down into simpler substances; especially, the anaerobic breakdown of sugar into alcohol