leavening Hear it!

leavening definition

leav·en·ing (-iŋ)

noun

  1. a substance used to make baked goods rise by the formation of gas, esp. carbon dioxide, in the batter or dough, as baking powder, yeast, etc.
    also leavening agent
  2. any influence spreading through something and working on it to bring about a gradual change; tempering quality or thing
  3. a causing to be leavened

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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