yeast

Definition

• n. a commercial leavening agent containing yeast cells; used to raise the dough in making bread and for fermenting beer or whiskey
• n. any of various single-celled fungi that reproduce asexually by budding or division

Word forms

Plural

yeasts

Example sentences

1. n.

   I added yeast to the dough to make it rise.

2. 化

   The yeast in the fermentation process helps to produce alcohol.