What does "leavening agent" mean?

Any organism or substance added to a food product (such as dough or batter) that makes it rise when cooked.

What is a synonym for "leavening agent"?

Common synonyms include: baking powder, danish gær, leaven agent, leavening, leavens, raising agent.

noun

noun ·Rare ·Advanced level

Noun

1
Any organism or substance added to a food product (such as dough or batter) that makes it rise when cooked.
2
A leavening agent (also known as raising agent or leaven agent) is a substance added to dough or batter to make it lighter and softer. wordnet