What does leaven mean?

Here's a list of possible definitions for the term leaven:

Princeton's WordNet

  1. leaven, leavening(noun)

    a substance used to produce fermentation in dough or a liquid

  2. leaven, leavening(verb)

    an influence that works subtly to lighten or modify something

    "his sermons benefited from a leavening of humor"

  3. raise, leaven, prove(verb)

    cause to puff up with a leaven

    "unleavened bread"


  1. leaven(Noun)

    Any agent used to make dough rise or to have a similar effect on baked goods.

  2. leaven(Verb)

    To add a leavening agent.

  3. leaven(Verb)

    To cause to rise by fermentation.

  4. leaven(Verb)

    To temper an action or decision.

Webster Dictionary

  1. Leaven(noun)

    any substance that produces, or is designed to produce, fermentation, as in dough or liquids; esp., a portion of fermenting dough, which, mixed with a larger quantity of dough, produces a general change in the mass, and renders it light; yeast; barm

  2. Leaven(noun)

    anything which makes a general assimilating (especially a corrupting) change in the mass

  3. Leaven(verb)

    to make light by the action of leaven; to cause to ferment

  4. Leaven(verb)

    to imbue; to infect; to vitiate

  5. Origin: [OE. levain, levein, F. levain, L. levamen alleviation, mitigation; but taken in the sense of, a raising, that which raises, fr. levare to raise. See Lever, n.]

Chambers 20th Century Dictionary

  1. Leaven

    lev′n, n. the ferment which makes dough rise in a spongy form: anything that makes a general change, whether good or bad.—v.t. to raise with leaven: to taint.—n. Leav′ening.—adj. Leav′enous, containing leaven. [Fr. levain—L. levamenlevāre, to raise—levis, light.]


  1. Chaldean Numerology

    The numerical value of leaven in Chaldean Numerology is: 7

  2. Pythagorean Numerology

    The numerical value of leaven in Pythagorean Numerology is: 5

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