chemisorption

chem·i·sorb   (kěm'ĭ-sôrb')    tr.v.   chem·i·sorbed also chem·o·sorbed, chem·i·sorb·ing also chem·o·sorb·ing, chem·i·sorbs also chem·o·sorbs To take up and chemically bind (a substance) onto the surface of another substance. [Alteration of chemo- + (ab)sorb.] chem'i·sorp'tion (-sôrp'shən) n.

Main Entry: che·mi·sorp·tion
Pronunciation: "kem-i-'sorp-sh&n, "kE-mi-, -'zorp-
Function: noun
: the usually irreversible process ofthe atoms in a surface (as of a solid) forming chemical bonds with molecules that come in contact with them <chemisorption of gaseous nitrogen on iron catalysts> —che·mi·sorb /'kem-i-"so(&)rb, 'kE-mi-, -'zo(&)rb/ transitive verb