Leaven(n.) 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.
Leaven(n.) Anything which makes a general assimilating (especially a corrupting) change in the mass.
Leaven(v. t.) To make light by the action of leaven; to cause to ferment.
Leaven(v. t.) To imbue; to infect; to vitiate.
Leavened(imp. & p. p.) of Leaven
Leavening(n.) The act of making light, or causing to ferment, by means of leaven.
Leavening(n.) That which leavens or makes light.
Leavening(p. pr. & vb. n.) of Leaven
Leavenous(a.) Containing leaven.
Words within leavenous