Baking powder

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 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. 2
    any of various powdered mixtures used in baking as a substitute for yeast wordnet