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[koh-uh-les] /ˌkoʊ əˈlɛs/
verb (used without object), coalesced, coalescing.
to grow together or into one body:
The two lakes coalesced into one.
to unite so as to form one mass, community, etc.:
The various groups coalesced into a crowd.
to blend or come together:
Their ideas coalesced into one theory.
verb (used with object), coalesced, coalescing.
to cause to unite in one body or mass.
Origin of coalesce
1535-45; < Latin coalēscere, equivalent to co- co- + al- (stem of alere to nourish, make grow) + -ēscere -esce
Related forms
coalescence, noun
coalescent, adjective
noncoalescence, noun
noncoalescent, adjective
noncoalescing, adjective
uncoalescent, adjective
1, 2. unite, combine, join. 2. amalgamate, fuse, blend, merge. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for coalesce
  • It may go by any name, or coalesce around an existing group, but has the characteristics described below.
  • Until there is such a lobby around which political support can coalesce, politically workable plans will not be generated.
  • Crucially, even in slow-expansion scenario, the protrusions eventually coalesce.
  • The experts did eventually coalesce around some powerfully simple points.
  • Eventually the party will have to have to coalesce around one candidate.
  • The city makes some efforts to support small businesses, and residents occasionally coalesce in support of them.
  • No matter how people coalesce into groups of common interest, each must go through one or the other counter.
  • Vapor molecules run off the hydrophobic runways and coalesce into droplets at the hydrophilic nodes.
  • The hydrogen and helium coalesce into stars, and inside those stars the heavier elements are forged by nuclear fusion.
  • However, clean logic and addiction don't always coalesce.
British Dictionary definitions for coalesce


(intransitive) to unite or come together in one body or mass; merge; fuse; blend
Derived Forms
coalescence, noun
coalescent, 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
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Word Origin and History for coalesce

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.

Online Etymology Dictionary, © 2010 Douglas Harper
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