Leav·en·ing n.
1. The act of making light, or causing to ferment, by means of leaven.
2. That which leavens or makes light.
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Leav·en, v. t. [imp. & p. p. Leavened p. pr. & vb. n. Leavening ]
1. To make light by the action of leaven; to cause to ferment.
A little leaven leaveneth the whole lump. --1 Cor. v. 6.
2. To imbue; to infect; to vitiate.
With these and the like deceivable doctrines, he leavens also his prayer. --Milton.
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leavening
n 1: an influence that works subtly to lighten or modify
something; "his sermons benefited from a leavening of
humor" [syn: leaven]
2: a substance used to produce fermentation in dough or a
liquid [syn: leaven]