[del-i-kwes-uh ns]
See more synonyms for deliquescence on

Origin of deliquescence

First recorded in 1750–60; deliquesce + -ence
Related formsdel·i·ques·cent, adjectivenon·del·i·ques·cence, nounnon·del·i·ques·cent, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Historical Examples of deliquescent

British Dictionary definitions for deliquescent


  1. the process of deliquescing
  2. a solution formed when a solid or liquid deliquesces
Derived Formsdeliquescent, adjective
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 deliquescent

1791, in chemistry, from Latin deliquescentem (nominative deliquescens), present participle of deliquescere (see deliquesce). General use dates from 1866. Related: Deliquescence.

Online Etymology Dictionary, © 2010 Douglas Harper

deliquescent in Medicine


  1. The process of dissolving or of becoming liquid through the absorption of moisture from the atmosphere.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

deliquescent in Science


  1. Relating to a solid substance that absorbs moisture from the air and becomes liquid. Deliquescent substances usually absorb so much moisture from the air that they form a strong solution. Potassium hydroxide is deliquescent.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.