bottom fermentation

Definitions of bottom fermentation
  1. noun
    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
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    type of:
    ferment, fermentation, fermenting, zymolysis, zymosis
    a process in which an agent causes an organic substance to break down into simpler substances; especially, the anaerobic breakdown of sugar into alcohol
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