a minute fungus that is able to ferment sugars and other carbohydrates and reproduces by budding: genus Saccharomyces
a commercial product that is used for the fermentation of alcohol or for raising bread and that contains yeast in a moist or dry medium
a commercial product that is used for the fermentation of alcohol or for raising bread and that contains yeast plants in a moist or dry medium
a yellowish surface froth or sediment that consists largely of yeast cells also used esp in the making of alcoholic drinks and as a raising agent in baking
a medicinal preparation containing yeast, usu in the form of tablets, used to treat vitamin B deficiency
something that causes ferment or activity
[Old English gist]