Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun yeast

2 senses of yeast

Sense 1
yeast, barm -- (a commercial leavening agent containing yeast cells; used to raise the dough in making bread and for fermenting beer or whiskey)
       => leaven, leavening -- (a substance used to produce fermentation in dough or a liquid)

Sense 2
yeast -- (any of various single-celled fungi that reproduce asexually by budding or division)
       => fungus -- (an organism of the kingdom Fungi lacking chlorophyll and feeding on organic matter; ranging from unicellular or multicellular organisms to spore-bearing syncytia)