Definition of "ferment" []

  • Something, such as a yeast, bacterium, mold, or enzyme, that causes fermentation. (noun)
  • Fermentation. (noun)
  • A state of agitation or of turbulent change or development. (noun)
  • An agent that precipitates or is capable of precipitating such a state; a catalyst. (noun)
  • To produce by or as if by fermentation. (verb-transitive)
  • Any agent or substance, such as a bacterium, mould, yeast, or enzyme, that causes fermentation (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • Commotion; unrest (noun)
  • To undergo or cause to undergo fermentation (verb)
  • To stir up or seethe with excitement (verb) (c) HarperCollins Publishers Ltd 2016

Use "ferment" in a sentence
  • "It has been known for a long time that the pancreatic juice contains all the three ferments which act on the major food substances - a protein ferment, which is different from the gastric ferment, a starch ferment and a fat ferment."
  • "Or did you notice? — and I wonder what all the ferment is about."
  • "Copyright and patent are in ferment because of the digital revolution."