sorption

in colloid chemistry
https://doi.org/10.1351/goldbook.S05769
The process by which a substance (sorbate) is sorbed (adsorbed or absorbed) on or in another substance (sorbent).
See also: absorption, adsorption, desorption
Sources:
PAC, 1972, 31, 577. 'Manual of Symbols and Terminology for Physicochemical Quantities and Units, Appendix II: Definitions, Terminology and Symbols in Colloid and Surface Chemistry' on page 584 (https://doi.org/10.1351/pac197231040577)
PAC, 1990, 62, 2167. 'Glossary of atmospheric chemistry terms (Recommendations 1990)' on page 2215 (https://doi.org/10.1351/pac199062112167)
See also:
PAC, 1993, 65, 819. 'Nomenclature for chromatography (IUPAC Recommendations 1993)' on page 854 (https://doi.org/10.1351/pac199365040819)