adsorb (v.) Look up adsorb at Dictionary.com
1882, transitive (intransitive use attested from 1919), back-formation from adsorption "condensation of gases on the surfaces of solids" (1882), coined in German from ad- + -sorption, abstracted from absorption and representing Latin sorbere "to suck" (see absorb). Related: Adsorbent; adsorption.