leaven
noun
- a small piece of fermenting dough put aside to be used for producing fermentation in a fresh batch of dough
- leavening (sense )
- leavening (sense )
transitive verb
- to make (batter or dough) rise before or during baking by means of a leavening agent
- to spread through, causing a gradual change
See leaven in American Heritage Dictionary 4
(lĕvˈən)
noun- An agent, such as yeast, that causes batter or dough to rise, especially by fermentation.
- An element, influence, or agent that works subtly to lighten, enliven, or modify a whole.
transitive verb leav·ened,
leav·en·ing,
leav·ens - To add a rising agent to.
- To cause to rise, especially by fermentation.
- To pervade with a lightening, enlivening, or modifying influence.
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