effloresce

[ef-luh-res]
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verb (used without object), ef·flo·resced, ef·flo·resc·ing.
  1. to burst into bloom; blossom.
  2. Chemistry.
    1. to change either throughout or on the surface to a mealy or powdery substance upon exposure to air, as a crystalline substance through loss of water of crystallization.
    2. to become incrusted or covered with crystals of salt or the like through evaporation or chemical change.

Origin of effloresce

1765–75; < Latin efflōrēscere to blossom out, equivalent to ef- ef- + flōrēscere to begin to bloom (flōr(i)-, stem of flōs flower + -ēscere -esce)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for effloresce

blossom, flower, flourish, burgeon

Examples from the Web for effloresce

Historical Examples of effloresce


British Dictionary definitions for effloresce

effloresce

verb (intr)
  1. to burst forth into or as if into flower; bloom
  2. to become powdery by loss of water or crystallization
  3. to become encrusted with powder or crystals as a result of chemical change or the evaporation of a solution

Word Origin for effloresce

C18: from Latin efflōrēscere to blossom, from flōrēscere, from flōs flower
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 effloresce
v.

"to come into flower," 1775, from Latin efflorescere "to blossom, spring up, flourish, abound," from ex "out" (see ex-) + florescere "to blossom," from flos (see flora).

Online Etymology Dictionary, © 2010 Douglas Harper

effloresce in Medicine

effloresce

[ĕf′lə-rĕs]
v.
  1. To blossom; bloom.
  2. To become a powder by losing water of crystallization, as when a hydrated crystal is exposed to air.
Related formsef′flo•rescence n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.