baking powder

noun

: a powder used as a leavening agent in making baked goods (such as quick breads) that typically consists of sodium bicarbonate, an acidic substance (such as cream of tartar), and starch or flour

Examples of baking powder in a Sentence

The recipe calls for a teaspoon of baking powder.

Recent Examples on the Web

This means adding both baking powder and soda—and a lot of it. — Rebecca Firkser, Bon Appetit Magazine, 9 Sep. 2026

In general, the ratio of ingredients should be 1 teaspoon of baking powder for 1 cup of all-purpose flour, although this can vary depending on the recipe and other ingredients. — Patricia S York, Southern Living, 9 Sep. 2026

In medium bowl, whisk flour, 1 1/2 cups graham crumbs, baking powder and salt. — ABC News, 29 Aug. 2026

In a large bowl, stir together the dry ingredients, including flour, sugar, baking powder, baking soda, and salt. — Sarah Martens, Better Homes & Gardens, 28 Aug. 2026

Word History

First Known Use

1846, in the meaning defined above

Rhymes for baking powder

• chowder
• crowder
• louder
• prouder
• gunpowder

Kids Definition

baking powder

noun

: a powder that usually consists of sodium bicarbonate, an acidic substance (as cream of tartar), and starch or flour and that makes the dough rise in baked goods (as cakes)