leavening

noun

leav·​en·​ing ˈle-və-niŋ 

ˈlev-niŋ

: a leavening agent : leaven

Examples of leavening in a Sentence

Recent Examples on the Web

The leavening effect of this movement, however, has already created a new disposition of the Roman Catholic soul. — Cynthia Zarin, Harpers Magazine, 28 July 2026

The amounts of fats, essential liquids like water, milk and eggs, and leavening agents such as baking powder, soda and yeast all have to be carefully measured. — Isidoro Rodriguez, Forbes.com, 21 July 2026

Cream of tartar can be found in the baking section of the market and is used as a leavening agent and stabilizer. — Mary Marlowe Leverette, The Spruce, 19 July 2026

In contrast, faux sourdough may have a long ingredient list, including commercial or baker's yeast (for leavening) and tangy ingredients (like vinegar or acetic acid). — Kirsten Nunez, Martha Stewart, 13 June 2026

Word History

First Known Use

1626, in the meaning defined above

Kids Definition

leavening

noun

: a leavening agent : leaven entry 1 sense 1