fermentation

Noun
  1. A state of agitation or turbulent change or development (synset 114002988)
    "the political ferment produced new leadership"; "social unrest"
    is a type of: sturm und drang, turbulence, upheaval - a state of violent disturbance and disorder (as in politics or social conditions generally)
    same as: agitation, ferment, tempestuousness, unrest
  2. A process in which an agent causes an organic substance to break down into simpler substances;
    Especially, the anaerobic breakdown of sugar into alcohol (synset 113596636)
    is a type of: chemical action, chemical change, chemical process - (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved
    subtypes:
    • bottom fermentation - 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
    • top fermentation - a violent kind of alcoholic fermentation at a temperature high enough to carry the yeast cells to the top of the fermenting liquid; used in the production of ale
    • vinification - the process whereby fermentation changes grape juice into wine
    same as: ferment, fermenting, zymolysis, zymosis

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