Princeton's WordNet

1. agitation, ferment, fermentation, tempestuousness, unrest(noun)

   a state of agitation or turbulent change or development

   "the political ferment produced new leadership"; "social unrest"

2. zymosis, zymolysis, fermentation, fermenting, ferment(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

Wiktionary

1. fermentation(Noun)

   Any of many anaerobic biochemical reactions in which an enzyme (or several enzymes produced by a microorganism) catalyses the conversion of one substance into another; especially the conversion (using yeast) of sugars to alcohol or acetic acid with the evolution of carbon dioxide

2. fermentation(Noun)

   A state of agitation or excitement; a ferment

Webster Dictionary

1. Fermentation(noun)

   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

2. Fermentation(noun)

   a state of agitation or excitement, as of the intellect or the feelings

U.S. National Library of Medicine

1. Fermentation

   Anaerobic degradation of GLUCOSE or other organic nutrients to gain energy in the form of ATP. End products vary depending on organisms, substrates, and enzymatic pathways. Common fermentation products include ETHANOL and LACTIC ACID.

• gisting, fermentasieAfrikaans
• تَخَمُّر، إخْتِمارArabic
• ферментацияBulgarian
• fermentaçãoPortuguese (BR)
• kvašeníCzech
• die GärungGerman
• gæringDanish
• ζύμωσηGreek
• fermentaciónSpanish
• käärimineEstonian
• تخمیرFarsi
• käyminenFinnish
• fermentationFrench
• תַּהֲלִיך תְּסִיסָהHebrew
• खमीरHindi
• fermentacija, vrenjeCroatian
• erjedésHungarian
• peragian, fermentasiIndonesian
• gerjunIcelandic
• fermentazioneItalian
• 発酵Japanese
• 발효Korean
• fermentacija, rūgimasLithuanian
• fermentācija, rūgšanaLatvian
• penapaianMalay
• gistingDutch
• gjæring, fermenteringNorwegian
• fermentacjaPolish
• تخمیرPersian
• موره كېدنه، تخمر، خميره كېدنه، رسېدنه، پارېدنه، نا كرارىPashto
• fermentaçãoPortuguese
• fermentaţieRomanian
• брожениеRussian
• kvasenieSlovak
• vrenjeSlovenian
• fermentacijaSerbian
• jäsningSwedish
• กระบวนการหมักThai
• mayala(n)maTurkish
• 發酵Chinese (Trad.)
• бродіння, ферментаціяUkrainian
• خمیر اٹھانے میں یا شراب بنانے میں ہونے والی کیمیائی تبدیلیUrdu
• (hành động hoặc quá trình) lên menVietnamese
• 发酵Chinese (Simp.)