名詞 ferment:

1. a state of agitation or turbulent change or development
   同義詞：agitation, fermentation, tempestuousness, unrest
2. a substance capable of bringing about fermentation
3. a process in which an agent causes an organic substance to break down into simpler substances; especially, the anaerobic breakdown of sugar into alcohol
   同義詞：zymosis, zymolysis, fermentation, fermenting

動(dòng)詞 ferment:

1. be in an agitated or excited state
2. work up into agitation or excitement
3. cause to undergo fermentation
   同義詞：work
4. go sour or spoil
   同義詞：sour, turn, work

1. Fruit juices ferment if they are kept a long time.
   果汁若是放置很久，就會(huì)發(fā)酵。
2. The news fermented trouble among the factory workers.
   那則消息在工人中引起騷動(dòng)。
3. The country was in ferment.
   這個(gè)國家處于動(dòng)蕩不安之中。
4. When wine is fermented it gives off bubbles of gas.
   酒發(fā)酵時(shí)會(huì)放出氣泡。

fer.ment

n.（名詞）
Something, such as a yeast, a bacterium, a mold, or an enzyme, that causes fermentation.
酶，酵素：酵母菌、細(xì)菌、霉菌或酶等能引起發(fā)酵的東西
Fermentation.
發(fā)酵

A state of agitation or of turbulent change or development.
騷動(dòng)，動(dòng)亂：激動(dòng)不安或狂暴的變化或發(fā)展的狀態(tài)
An agent that precipitates or is capable of precipitating such a state.See Synonyms at catalyst
騷動(dòng)的原因：引起或能引起這種狀態(tài)的原動(dòng)力參見 catalyst
v.（動(dòng)詞）
fer.ment.ed,fer.ment.ing,fer.ments[f…r-mμnt.]
v.tr.（及物動(dòng)詞）
To produce by or as if by fermentation.
生產(chǎn)：由或似由發(fā)酵生產(chǎn)
To cause to undergo fermentation.
使發(fā)酵
To make turbulent; excite or agitate.
使騷動(dòng)；激動(dòng)或不安
v.intr.（不及物動(dòng)詞）
To undergo fermentation.
發(fā)酵
To be in an excited or agitated state; seethe.
激動(dòng)，騷動(dòng)：處在一種激動(dòng)或不安的狀態(tài)；激動(dòng)

來源：
Middle English
中古英語
from Old French
源自 古法語
from Latin fermentum * see bhreu-
源自 拉丁語 fermentum *參見 bhreu-

【引伸】
ferment.abil.ity
n.（名詞）
ferment.able
adj.（形容詞）