leaven

leav·en

 (lĕv′ən)

n.

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.

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[Middle English, from Old French levain, from Vulgar Latin *levāmen, from Latin levāre, to raise; see leg^wh- in Indo-European roots.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

leaven

(ˈlɛvən)

n

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

vb (tr)

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]

ˈleavener n

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

leav•en

(ˈlɛv ən)
n.

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]

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

leaven

Past participle: leavened
Gerund: leavening

Imperative

leaven

leaven

Collins English Verb Tables © HarperCollins Publishers 2011

leaven

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.

Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited

Thesaurus

Noun	1.	leaven - a substance used to produce fermentation in dough or a liquid leavening 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 barm, yeast - a commercial leavening agent containing yeast cells; used to raise the dough in making bread and for fermenting beer or whiskey
	2.	leaven - an influence that works subtly to lighten or modify something; "his sermons benefited from a leavening of humor" leavening 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" prove, raise lift, raise, elevate, get up, bring up - raise from a lower to a higher position; "Raise your hands"; "Lift a load"

Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

leaven

noun

1. yeast, ferment, leavening, barm The ingredients include wholemeal flour, wheat leven, water and salt.

2. catalyst, influence, inspiration The investment will be used as leaven to encourage businesses to do likewise.

verb

1. ferment, work, raise, lighten They used sour dough to leaven their bread.

2. stimulate, inspire, elevate, quicken, pervade, permeate, imbue, suffuse He found congenial officers who knew how to leaven war's rigours with riotous enjoyment.

Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

leaven

noun

An agent that stimulates or precipitates a reaction, development, or change:

catalyst, ferment, leavening, yeast.

The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Translations

Hebel

leudar

nostattaanostatusaine

levain

lievitomodificarefar fermentarefermentolievitare

leaven

[ˈlevn]

A. N → levadura f (fig) → toque m

B. VT → leudar (fig) (= enliven) → aligerar

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

leaven

n (also leavening) → Treibmittel nt; (= fermenting dough) → Sauerteig m; (fig) → Auflockerung f; even his most serious speeches had a leaven of humour → auch seine ernstesten Reden waren mit Humor gewürzt

vt → (auf)gehen lassen, treiben; (fig) → auflockern

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

leaven

[ˈlɛvn]

1. n → lievito

2. vt → far lievitare

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995