[ noun ] a state of agitation or turbulent change or development
: "the political ferment produced a new leadership" "social unrest"
Used in print(Bern Dibner, "Oerstad and the Discovery of Electro...)
Han 's student days were at_a time when Europe was in a new intellectual ferment following the revolutions in America and in France , Germany and Italy were rising from divisive nationalisms and a strong wave of intellectual awareness was sweeping the Continent .
[ noun ] (chemistry) a process in which an agent causes an organic substance to break down into simpler substances; especially, the anaerobic breakdown of sugar into alcohol
[ noun ] (biology) a substance capable of bringing about fermentation