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[dee-sawrb, -zawrb]
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verb (used with object) Physical Chemistry.
  1. to remove an absorbate or adsorbate from (an absorbent or adsorbent).
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Origin of desorb

1920–25; de- + -sorb, modeled on absorb
Related formsde·sorp·tion [dee-sawrp-shuh n, -zawrp-] /diˈsɔrp ʃən, -ˈzɔrp-/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for desorb


  1. chem to change from an adsorbed state on a surface to a gaseous or liquid state
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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