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Noun: bottom fermentation
  1. A slow kind of alcoholic fermentation at a temperature low enough that the yeast cells can sink to the bottom of the fermenting liquid; used in the production of lager
    "The brewery used bottom fermentation to create their signature crisp and clean-tasting lager"

Derived forms: bottom fermentations

Type of: fermentation, fermenting, zymolysis, zymosis

Encyclopedia: Bottom fermentation