Origin of leavening
- a substance, as yeast or baking powder, that causes fermentation and expansion of dough or batter.
- fermented dough reserved for producing fermentation in a new batch of dough.
- an element that produces an altering or transforming influence.
- to add leaven to (dough or batter) and cause to rise.
- to permeate with an altering or transforming element.
Origin of leaven
Examples from the Web for leavening
So why do we hear so many professors describe their pupils as hostile to learning, with a leavening of indolence?Everyone Should Go to College
August 28, 2011
The leaven, silently but surely, was leavening the surrounding mass.The Oxford Reformers
The mass is leavened only by the leavening of the separate units.Expositor's Bible: The Gospel of St Luke
All this time Rome was leavening the nations who had conquered her.Young Folks' History of Rome
Charlotte Mary Yonge
A little leaven is leavening the whole mass for other bread.At Home And Abroad
Margaret Fuller Ossoli
There was a leavening of women in this male mass of loggers, fishermen, and what-not.The Hidden Places
Bertrand W. Sinclair
- any substance that produces fermentation in dough or batter, such as yeast, and causes it to rise
- a piece of such a substance kept to ferment a new batch of dough
- an agency or influence that produces a gradual change
- to cause fermentation in (dough or batter)
- to pervade, causing a gradual change, esp with some moderating or enlivening influence
Word Origin and History for leavening
c.1400, from leaven (n.). Related: Leavened; leavening.
mid-14c., from Old French levain "leaven, sourdough" (12c.), from Latin levamen "alleviation, mitigation," but used in Vulgar Latin in its literal sense of "a means of lifting, something that raises," from levare "to raise" (see lever). Figurative use from late 14c.