leavening

• a substance used to produce fermentation in dough or a liquid
• an influence that works subtly to lighten or modify something
• The act of making light, or causing to ferment, by means of leaven
• That which leavens or makes light
• Residential area (city, town, village) in United Kingdom in North Yorkshire

Report error with a word Suggest a new definition

You can also check definition for leavening on wikipedia or google (link opens in new window)