Student Dictionary

2 entries found for leaven.
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Main Entry: 1leav·en
Pronunciation: primarystresslev-schwan
Function: noun
1 a : a substance (as yeast) used to produce a gaseous fermentation (as in dough) b : a material (as baking powder) used to produce a gas that makes dough or batter rise and become light
2 : something that changes slightly or lightens a mass or whole

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