baking powder

== English == === Alternative forms === baking-powder (dated) === Pronunciation === === Noun === baking powder (countable and uncountable, plural baking powders) 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. ==== Translations ==== === See also === self-raising flour === Further reading === baking powder on Wikipedia.Wikipedia