1. (noun) a commercial leavening agent containing yeast cells; used to raise the dough in making bread and for fermenting beer or whiskey

• yeast

1. (noun) a commercial leavening agent containing yeast cells; used to raise the dough in making bread and for fermenting beer or whiskey

• brewer's yeast
• mother
• yeast cake

1. (noun) a commercial leavening agent containing yeast cells; used to raise the dough in making bread and for fermenting beer or whiskey

• leaven
• leavening

1. (noun) a commercial leavening agent containing yeast cells; used to raise the dough in making bread and for fermenting beer or whiskey

• yeastlike
• yeasty