- 1to experience a chemical change because of the action of yeast or bacteria, often changing sugar to alcohol; to make something change in this way Fruit juices ferment if they are kept for too long.
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- 2(figurative) A blend of emotions fermented inside her. ferment something Red wine is fermented at a higher temperature than white.
ferment
verbNAmE//fərˈmɛnt//
[intransitive, transitive]Verb Forms present simple I / you / we / they ferment he / she / it ferments
past simple fermented
-ing form fermenting
NAmE//ˌfərmɛnˈteɪʃn//, NAmE//ˌfərmənˈteɪʃn//
noun [uncountable] Sugar is converted into alcohol by a process of fermentation.See ferment in the Oxford Advanced Learner's DictionaryCheck pronunciation: ferment