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[mas-uh-reyt] /ˈmæs əˌreɪt/
verb (used with object), macerated, macerating.
to soften or separate into parts by steeping in a liquid.
to soften or decompose (food) by the action of a solvent.
to cause to grow thin.
verb (used without object), macerated, macerating.
to undergo maceration.
to become thin or emaciated; waste away.
Origin of macerate
1540-50; < Latin mācerātus (past participle of mācerāre to make soft, weaken, steep); see -ate1
Related forms
macerater, macerator, noun
macerative, adjective
unmacerated, adjective
5. shrink, shrivel, fade, wither. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for macerate


to soften or separate or be softened or separated as a result of soaking
to break up or cause to break up by soaking: macerated peaches
to become or cause to become thin
Derived Forms
macerater, macerator, noun
macerative, adjective
maceration, noun
Word Origin
C16: from Latin mācerāre to soften
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for macerate

late 15c., a back-formation from maceration or else from Latin maceratus, past participle of macerare "soften, make soft, soak, steep," related to maceria "garden wall," originally "of kneaded clay," from PIE *mak-ero-, suffixed form of root *mag- "to knead" (cf. Greek magis "kneaded mass, cake," mageus "one who kneads, baker;" Old Church Slavonic mazo "to anoint, smear;" Breton meza "to knead;" Middle Irish maistir "to churn"), also "to fashion, fit" (cf. make (v.)). Related: Macerated; macerating.

Online Etymology Dictionary, © 2010 Douglas Harper
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macerate in Medicine

macerate mac·er·ate (mās'ə-rāt')
v. mac·er·at·ed, mac·er·at·ing, mac·er·ates

  1. To make soft by soaking or steeping in a liquid.

  2. To separate into constituents by soaking.

A substance prepared or produced by macerating.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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