The meaning of FERMENT is to undergo fermentation. How to use ferment in a sentence.

FERMENT definition: any of a group of living organisms, as yeasts, molds, and certain bacteria, that cause fermentation. See examples of ferment used in a sentence.

Success came in 1897 when the German chemist Eduard Buechner ground up yeast, extracted a juice from them, then found to his amazement this "dead" liquid would ferment a sugar …

If food or drink ferments or if you ferment it, it goes through a chemical change because of the action of yeast or bacteria, which may cause it to produce bubbles or heat, or turn sugars in it …

Jan 5, 2026 · More broadly, fermentation is the foaming that occurs during the manufacture of wine and beer, a process at least 10,000 years old. The frothing results from the evolution of …

1. To cause to undergo fermentation: Yeasts ferment sugars. 2. To produce by or as if by fermentation: ferment the wine in oak barrels; hostility that was fermented by envy. 3. To make …

Jan 20, 2026 · ferment (third-person singular simple present ferments, present participle fermenting, simple past and past participle fermented) To react, using fermentation; especially …

Definition of ferment verb in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

ferment - WordReference English dictionary, questions, discussion and forums. All Free.

Ferment definition: Something, such as a yeast, bacterium, mold, or enzyme, that causes fermentation.