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See more synonyms for coalesce on Thesaurus.com
verb (used without object), co·a·lesced, co·a·lesc·ing.
  1. to grow together or into one body: The two lakes coalesced into one.
  2. to unite so as to form one mass, community, etc.: The various groups coalesced into a crowd.
  3. to blend or come together: Their ideas coalesced into one theory.
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verb (used with object), co·a·lesced, co·a·lesc·ing.
  1. to cause to unite in one body or mass.
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Origin of coalesce

1535–45; < Latin coalēscere, equivalent to co- co- + al- (stem of alere to nourish, make grow) + -ēscere -esce
Related formsco·a·les·cence, nounco·a·les·cent, adjectivenon·co·a·les·cence, nounnon·co·a·les·cent, adjectivenon·co·a·les·cing, adjectiveun·co·a·les·cent, adjective


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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words


Examples from the Web for coalescence

Historical Examples

  • A coalescence of tribes into a nation had not occurred in any case in any part of America.

    Ancient Society

    Lewis Henry Morgan

  • The cornea is formed by the coalescence of two structures, viz.

  • The heroism of Liebknecht was at least a point and center of coalescence.

  • The frontiers are melting; coalescence, unity, harmony are being achieved.

    Psychical Miscellanea

    J. Arthur Hill

  • Separatist tendencies were stronger than those of coalescence.

British Dictionary definitions for coalescence


  1. (intr) to unite or come together in one body or mass; merge; fuse; blend
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Derived Formscoalescence, nouncoalescent, adjective

Word Origin

C16: from Latin coalēscere from co- + alēscere to increase, from alere to nourish
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

Word Origin and History for coalescence



1540s, from Latin coalescere "to unite, grow together, become one in growth," from com- "together" (see co-) + alescere "to grow up" (see adolescent). Related: Coalesced; coalescing; coalescence; coalescent.

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Online Etymology Dictionary, © 2010 Douglas Harper

coalescence in Medicine


  1. concrescence
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.