S: (n) ferment (a substance capable of bringing about fermentation)
S: (n) 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)
Verb
S: (v) ferment (be in an agitated or excited state) "The Middle East is fermenting"; "Her mind ferments"
S: (v) ferment (work up into agitation or excitement) "This religion is fermenting Africa"
S: (v) 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"
S: (v) 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"