ˈsȯrpshən noun
( -s )
Etymology: back-formation from absorption & adsorption
: the process of sorbing by physical or chemical forces or both : adsorption , absorption
sorption of gases and vapors by solids
sorption occurs wherever there is a surface or an interface — J.W.McBain
— compare chemisorption , imbibition 2a, occlusion 3