Meaning of the word leavening in English

What does leavening mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

leavening

US /ˈlev.ən.ɪŋ/
UK /ˈlev.ən.ɪŋ/

Noun

1.

a substance added to a cake, bread, etc. to make it swell and become lighter, especially a chemical powder or yeast :

Example:
Tip the flour and leavening into the mixture.
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