Definition of leavener in English:

leavener

noun

  • See leaven

    • ‘By the late 19th century baking powder had replaced yeast entirely as a leavener for cakes.’
    • ‘Self-rising flour has leavener already in it (like baking powder or baking soda).’
    • ‘Most baking powders sold in stores are double-acting, which means the leavener starts working immediately once the ingredients are combined, and continues to work during baking.’
    • ‘Baking soda is a leavener that requires an acidic ingredient in a batter to help a baked good rise.’
    • ‘Animal fat, or lard, which has a high smoking point, is very effective as a leavener in flaky pastries and tart shells.’