[ ef-luh-res ]
/ 藢蓻f l蓹藞r蓻s /
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Definition of effloresce

verb (used without object), ef路flo路resced, ef路flo路resc路ing.
to burst into bloom; blossom.
  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.
Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.
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鈥淲as鈥 is used for the indicative past tense of 鈥渢o be,鈥 and 鈥渨ere鈥 is only used for the subjunctive past tense.

Origin of effloresce

1765鈥75; <Latin effl艒r膿scere to blossom out, equivalent to ef-ef- + fl艒r膿scere to begin to bloom (fl艒r(i)-, stem of fl艒s flower + -膿scere-esce)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2022

How to use effloresce in a sentence

British Dictionary definitions for effloresce

/ (藢蓻fl蓴藧藞r蓻s) /

verb (intr)
to burst forth into or as if into flower; bloom
to become powdery by loss of water or crystallization
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 effl艒r膿scere to blossom, from fl艒r膿scere, from fl艒s flower
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition 漏 William Collins Sons & Co. Ltd. 1979, 1986 漏 HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for effloresce

[ 臅f鈥瞝蓹-r臅s ]

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

Other words from effloresce

ef鈥瞗lo鈥escence n.
The American Heritage庐 Stedman's Medical Dictionary Copyright 漏 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.