Sorption
“A physical or chemical process by which one substance becomes attached to or absorbed into another.”
Synonyms by Register & Formality
Antonyms & Opposites
Nuance Analysis & Word Contrasts
Sorption is an umbrella term used in chemistry and environmental science when it is either difficult, unnecessary, or impossible to distinguish whether the process occurring is specifically adsorption (surface attachment) or absorption (bulk uptake). Choose 'sorption' as an inclusive collective term, reserving 'adsorption' and 'absorption' for when the exact physical mechanism is precisely known.
sorption vs adsorption
While adsorption strictly refers to molecules adhering solely to the outer surface of a material, sorption covers both surface attachment and internal penetration.
sorption vs absorption
Absorption implies that a fluid permeates into the deep interior volume of a solid or liquid, whereas sorption is the broader category encompassing this alongside surface-level adherence.