effloresce

effloresce

[ef-luh-res]
verb (used without object), effloresced, efflorescing.
1.
to burst into bloom; blossom.
2.
Chemistry.
a.
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.
b.
to become incrusted or covered with crystals of salt or the like through evaporation or chemical change.

Origin:
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 Dictionary, © Random House, Inc. 2014.
Cite This Source Link To effloresce
Collins
World English Dictionary
effloresce (ˌɛflɔːˈrɛs)
 
vb
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
 
[C18: from Latin efflōrēscere to blossom, from flōrēscere, from flōs flower]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Etymonline
Word Origin & History

effloresce
1775, from L. efflorescere, from ex "out" + florescere "to blossom," from flos (see flora).
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
American Heritage
Medical Dictionary

effloresce ef·flo·resce (ěf'lə-rěs')
v. ef·flo·resced, ef·flo·resc·ing, ef·flo·resc·es

  1. To blossom; bloom.

  2. To become a powder by losing water of crystallization, as when a hydrated crystal is exposed to air.


ef'flo·res'cence n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT

;