2. To seethe or to be disturbed by social agitation or excitement in order to promote changes: Demonstrations by union workers fermented when the company decided to reduce the number of employees, including Sharon's husband.
When a certain politician was caught taking part in drugs, the legislative members were fermenting to get him to quit and when that didn't work, they voted to reduce his power of office.3. Etymology: from Latin, "leaven or yeast"; generally an agent that causes fermenting.
Most fermented drinks are developed by a process that is used to produce ethanol, the strong chemical in alcoholic drinks which come from fruits or grain.2. Relating to leavened bread: Substances; such as, baking soda or cream of tartar, are added to batters and doughs to produce fermented bread that expands so it is light or lighter.