agitation, ferment, fermentation, tempestuousness, unrest -- (a state of agitation or turbulent change or development; "the political ferment produced new leadership"; "social unrest")
ferment -- (a substance capable of bringing about fermentation)
zymosis, zymolysis, fermentation, fermenting, ferment -- (a process in which an agent causes an organic substance to break down into simpler substances; especially, the anaerobic breakdown of sugar into alcohol)
Overview of verb ferment
The verb ferment has 4 senses
ferment -- (be in an agitated or excited state; "The Middle East is fermenting"; "Her mind ferments")
ferment -- (work up into agitation or excitement; "Islam is fermenting Africa")
ferment, work -- (cause to undergo fermentation; "We ferment the grapes for a very long time to achieve high alcohol content"; "The vintner worked the wine in big oak vats")
sour, turn, ferment, work -- (go sour or spoil; "The milk has soured"; "The wine worked"; "The cream has turned--we have to throw it out")