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chemisorption

[kem-uh-sawrp-shuh n, -zawrp-]
noun Chemistry.
  1. adsorption involving a chemical linkage between the adsorbent and the adsorbate.

Origin of chemisorption

First recorded in 1930–35; chemi- + (ad)sorption
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for chemisorption

chemisorption

noun
  1. an adsorption process in which an adsorbate is held on the surface of an adsorbent by chemical bonds
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