- The process of undergoing an effervescent change, as
by the action of yeast; in a wider sense (Physiol. Chem.), the
transformation of an organic substance into new compounds by the action
of a ferment, either formed or unorganized. It differs in kind
according to the nature of the ferment which causes it. - A state of agitation or excitement, as of the
intellect or the feelings.
Meaning of 'fermentation' (Princeton's WordNet)
1 . fermentation
[ n]
Meaning (1): - a state of agitation or turbulent change or development