Yeast definition

Yeast

Topics Yeast Definition

WordNet

(1) Any of various single-celled fungi that reproduce asexually by budding or division

(2) A commercial leavening agent containing yeast cells; used to raise the dough in making bread and for fermenting beer or whiskey

WiktionaryText

A type of single-celled fungus.
- 1. An often humid, yellowish froth, made of these fungi, used in medicine, in baking and in brewing beer.
  2. A compressed cake or dried granules of this substance used for mixing with flour to make bread dough rise.
  3. A frothy foam on sea waves.