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  1. Dictionary
    ferment

    verb

    noun

    • 1. agitation and excitement among a group of people, typically concerning major change and leading to trouble or violence: "a period of political and religious ferment"
    • 2. a fermenting agent or enzyme. archaic

    More definitions, origin and scrabble points

  2. to change chemically through the action of living substances, such as yeast or bacteria, or to use a substance to produce a chemical change. ferment. noun [ U ] us / ˈfɜr·ment / a state of confusion or excited expectation, esp. because of suddenly changing conditions: He was a central figure in the intellectual ferment of his time.

  3. 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.

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

  5. to change chemically through the action of living substances, such as yeast or bacteria, or to use a substance to produce a chemical change. ferment. noun [ U ] us / ˈfɜr·ment / a state of confusion or excited expectation, esp. because of suddenly changing conditions: He was a central figure in the intellectual ferment of his time.

  6. 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. synonyms: fermentation, fermenting, zymolysis, zymosis.

  7. 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.

  8. 1. a. : the enzyme-catalyzed anaerobic breakdown of an energy-rich compound (such as a carbohydrate to carbon dioxide and alcohol or to an organic acid) by the action of microorganisms (such as bacteria or yeast) that occurs naturally and is commonly used in the production of various products (such as food, alcoholic beverages, and ...