| noun | 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 | be in an agitated or excited state “The Middle East is fermenting” |
| verb | work up into agitation or excitement “Islam is fermenting Africa” |
| verb | cause to undergo fermentation “We ferment the grapes for a very long time to achieve high alcohol content” |
| verb | go sour or spoil “The milk has soured” |
| zymotic | adjective | of or relating to or causing fermentation |
| zymolytic | adjective | of or relating to or causing fermentation |
| ferment | verb | cause to undergo fermentation |
| fermentation | noun | a state of agitation or turbulent change or development |
| ferment | noun | a substance capable of bringing about fermentation |
| fermenting | noun | a process in which an agent causes an organic substance to break down into simpler substances; especially, the anaerobic breakdown of sugar into alcohol |
| souring | noun | the process of becoming sour |