fermentation has definitions from the field of chemistry
[ 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

Used in print

(Successful Farming, 59:12...)

( These enzyme preparations appear on today 's feed tags as fermentation extracts of Bacillus_subtilis , Apergillus_orzae , Niger , and Flavus . )

[ noun ] a state of agitation or turbulent change or development


: "the political ferment produced a new leadership" "social unrest"

Used in print

(Musical America, LXXXI:5...)

economic security and cultural opportunities , incisive idioms , social fermentations for a new national ideology - a sympathetic public and a large body of performers especially trained to fulfill his purpose .

Related terms

turbulence ferment

[ noun ] (chemistry) a chemical phenomenon in which an organic molecule splits into simpler substances