Baking powder
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A dry leavening agent used in baking; a mixture of baking soda, an acid (often cream of tartar) and starch to keep it dry; when wetted, carbon dioxide is released. countable, uncountable
- 2 any of various powdered mixtures used in baking as a substitute for yeast wordnet