fermentation

noun
fer·​men·​ta·​tion | \ ˌfər-mən-ˈtā-shən How to pronounce fermentation (audio) , -ˌmen-\

Definition of fermentation

1a : a chemical change with effervescence
b : an enzymatically controlled anaerobic breakdown of an energy-rich compound (such as a carbohydrate to carbon dioxide and alcohol or to an organic acid) broadly : an enzymatically controlled transformation of an organic compound

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Examples of fermentation in a Sentence

a wave of immigration followed by a period of social fermentation

Recent Examples on the Web

Claudio Alongi, Nino Negri’s other winemaker, descends into the dim cellars that reach four stories underground to taste tank samples and vintages at various stages of fermentation and aging, walking past century-old casks black with age. Christopher Ross, WSJ, "The Hidden Valley in the Italian Alps Where Winemakers Are Working Against Nature," 15 Feb. 2019 The process of fermentation occurs when the yeast converts the sugars into alcohol. Emily Deciccio, Fox News, "American Roots: NYC whiskey distillery takes spirit straight from farm to table," 22 Sep. 2018 The lipids found on fragments of such sieves matched the chemical signature of milk in the process of fermentation. Kiona N. Smith, Ars Technica, "Early cheese making may have helped lactose-intolerant farmers spread," 14 Sep. 2018 In the days before electricity and climate control, cold winters could easily halt the progress of fermentation in unheated wine cellars by sending the yeasts into a form of hibernation until temperatures rose again in the spring. Marnie Old, Philly.com, "Great Wine Values: Relax Riesling," 7 June 2018 Sequencing gene samples from the beginning, middle and end of fermentation gave a team led by Brown University’s Michelle Zabat, an undergraduate majoring in Health and Human Biology, a good picture of changing bacterial communities over time. Marissa Fessenden, Smithsonian, "Vegan Kimchi Is Microbially Pretty Close to the Original," 7 May 2018 The biologist had worked in fermentation in the bio-pharmaceutical industry, but recently left to focus on the brewery full time. Joyce Smith, kansascity, "Lawrence's new brewery on same block as Free State adds to city's craft brew draw | The Kansas City Star," 16 May 2018 In order to produce champagne's signature bubbles, the wine must undergo a second fermentation in the bottle with a dose of yeast and sugars, but the yeast would leave unappealing sediment in the bottom of the bottle and leave the wine cloudy. Lauren Hubbard, Town & Country, "You Have the Founding Mothers of Champagne to Thank for the Bubbly You Drink Today," 8 Mar. 2019 Ancestral method involves the wine’s one and only fermentation occurring in the bottle. Michael Austin, chicagotribune.com, "A lesson on wine terms that will go down easy," 13 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fermentation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of fermentation

1601, in the meaning defined at sense 1a

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Statistics for fermentation

Last Updated

10 May 2019

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Time Traveler for fermentation

The first known use of fermentation was in 1601

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More Definitions for fermentation

fermentation

noun
fer·​men·​ta·​tion | \ ˌfər-mən-ˈtā-shən How to pronounce fermentation (audio) \

Kids Definition of fermentation

: a chemical breaking down of a substance (as sugar) that is controlled by an enzyme, usually does not require oxygen, and typically results in the production of alcohol and carbon dioxide

fermentation

noun
fer·​men·​ta·​tion | \ ˌfər-mən-ˈtā-shən, -ˌmen- How to pronounce fermentation (audio) \

Medical Definition of fermentation

1 : a chemical change with effervescence
2 : an enzymatically controlled anaerobic breakdown of an energy-rich compound (as a carbohydrate to carbon dioxide and alcohol or to an organic acid) broadly : an enzymatically controlled transformation of an organic compound

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Comments on fermentation

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