Any agent used to make dough rise or to have a similar effect on baked goods.
Anything that induces change, especially a corrupting or vitiating change.
To add a leavening agent.
To cause to rise by fermentation.
To temper an action or decision.
To imbue; to infect; to vitiate.
To rise or become larger.
Any organism or substance added to a food product (such as dough or batter) that makes it rise when cooked.