from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An organism that causes fermentation.
  • n. An apparatus that maintains optimal conditions for the growth of microorganisms, used in large-scale fermentation and in the commercial production of antibiotics and hormones.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any organism, such as a yeast, that causes fermentation
  • n. A fermentor

from the GNU version of the Collaborative International Dictionary of English

  • n. an apparatus for carrying out fermentation by a liquid suspension of microorganisms; a fermentation tank.


Sorry, no etymologies found.


  • The bug can be grown on agar plates a kind of petri dish, in flasks or in a larger vessel known as a fermenter. Front Page

  • Yes it's not absolutely out of the question, but people should understand that you can grow simple anthrax in a kind of fermenter -- the same thing that you -- someone once said, you know, like home brewed beer, fermenter that you'd buy at Home Depot - something like that.

    CNN Transcript Oct 17, 2001

  • Today one can threaten a whole society with a flask carrying pathogens created in a fermenter in a hidden garage -- and without detectable signature.

    Dorian de Wind: Will Bin Laden's "Dead Hand" Reach Out From Its Watery Grave?

  • We sampled a couple of pints right out of Mike's totally swank 14 gallon stainless steel conical fermenter and pronounced the beer utterly delish.

    Long Island Beer Events

  • The brewing process for the ale is the same, but just as the primary fermentation slows, the beer is transferred from the fermenter to a cask where it continues to ferment or condition.

    Long Island Beer Events

  • Inspired by the “Vino da Meditazione” wines produced in the Friuli region of Northeast Italy, the fruit that went into this wine was hand-harvested, de-stemmed and fermented on their skins in an open top fermenter.

    Channing Daughters Winery 2006 Envelope

  • These constraints may seem impractical, but as the fermenter of civil unrest it is you that is liable for any injuries or accidents suffered by your mob.

    Cheeseburger Gothic » Just got back from Avatar.

  • Large wineries can take advantage of this activity to increase the rate of color and tannin release from inside red grapes – this can reduce the residency time in the fermenter, which can increase production efficiency.

    From the annals of wine marketing…enzymes! | Dr Vino's wine blog

  • That being said they do nothing to speed up how long I leave my wines in the fermenter, or for that matter in the barrel; that is solely determined by flavors, especially the quality of the tannins that exist due to vintage, crop load, cultivar ….

    From the annals of wine marketing…enzymes! | Dr Vino's wine blog

  • The ale undergoes a dry-hopping and a “torpedoing” -- that is, the beer is pumped back and forth between the fermenter and a hop-filled tank called the torpedo because of its shape.

    Beer: The Further Pursuit of Hoppiness


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