leaven(redirected from Leavening agent)
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Related to Leavening agent: shirred egg
1. An agent, such as yeast, that causes batter or dough to rise, especially by fermentation.
2. An element, influence, or agent that works subtly to lighten, enliven, or modify a whole.
tr.v. leav·ened, leav·en·ing, leav·ens
1. To add a rising agent to.
2. To cause to rise, especially by fermentation.
3. To pervade with a lightening, enlivening, or modifying influence.
1. (Elements & Compounds) any substance that produces fermentation in dough or batter, such as yeast, and causes it to rise
2. (Elements & Compounds) a piece of such a substance kept to ferment a new batch of dough
3. an agency or influence that produces a gradual change
4. to cause fermentation in (dough or batter)
5. to pervade, causing a gradual change, esp with some moderating or enlivening influence
[C14: via Old French ultimately from Latin levāmen relief, (hence, raising agent, leaven), from levāre to raise]
1. a substance, as yeast or baking powder, that causes fermentation and expansion of dough or batter.
2. fermented dough reserved for producing fermentation in a new batch of dough.
3. an element that produces an altering or transforming influence.v.t.
4. to add leaven to (dough or batter) and cause to rise.
5. to permeate with an altering or transforming element.
[1300–50; Middle English levain < Anglo-French, Old French levain < Vulgar Latin *levāmen]
Past participle: leavened
1. To use an ingredient such as yeast, baking powder or eggs to make other ingredients rise in cooking.
2. A raising agent, such as yeast, that causes dough or batter to rise.
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|Noun||1.||leaven - a substance used to produce fermentation in dough or a liquid|
substance - a particular kind or species of matter with uniform properties; "shigella is one of the most toxic substances known to man"
baking powder - any of various powdered mixtures used in baking as a substitute for yeast
sourdough - a leaven of dough in which fermentation is active; used by pioneers for making bread
|2.||leaven - an influence that works subtly to lighten or modify something; "his sermons benefited from a leavening of humor"|
imponderable - a factor whose effects cannot be accurately assessed; "human behavior depends on many imponderables"
|Verb||1.||leaven - cause to puff up with a leaven; "unleavened bread"|
1. yeast, ferment, leavening, barm The ingredients include wholemeal flour, wheat leven, water and salt.