noun Date: 1850 a powder used as a leavening agent in making baked goods (as quick breads) that typically consists of sodium bicarbonate, an acidic substance (as cream of tartar), and starch or flour
BAKING POWDER
Meaning of BAKING POWDER in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012