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leavening

[ lev-uh-ning ]
/ ˈlɛv ə nɪŋ /
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noun
Also called leavening agent. a substance used to produce fermentation in dough or batter; leaven.
the act or process of causing to ferment by leaven.
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Origin of leavening

First recorded in 1600–10; leaven + -ing1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

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