The noun is pronounced /fɜ:(r)ment/. The verb is pronounced /fə(r)ment/.
( fermented)
1.
Ferment is excitement and trouble caused by change or uncertainty.
The whole country has been in a state of political ferment for some months.
= turmoil
N-UNCOUNT
2.
If a food, drink, or other natural substance ferments , or if it is fermented , a chemical change takes place in it so that alcohol is produced. This process forms part of the production of alcoholic drinks such as wine and beer.
The dried grapes are allowed to ferment until there is no sugar left and the wine is dry...
To serve the needs of bakers, manufacturers ferment the yeast to produce a more concentrated product.
VERB : V , V n
• fer‧men‧ta‧tion
Yeast is essential for the fermentation that produces alcohol.
N-UNCOUNT