Process facilitated by silica gel

• The accumulation of molecules of a gas to form a thin film on the surface of a solid

WordNet Word definitions in WordNet
n. the accumulation of molecules of a gas to form a thin film on the surface of a solid [syn: surface assimilation ]

Wiktionary Word definitions in Wiktionary
n. The adhesion of a liquid or gas on the surface of a solid material, forming a thin film on the surface. Not to be confused with the process of absorption.

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
adsorption \adsorption\ n. 1. 1 the process by which molecules of a substance form a thin film on the surface of a solid. Distinguished from absorption , in which the foreign substance penetrates the body of the absorbing material. Syn: surface assimilation ...

Wikipedia Word definitions in Wikipedia
Adsorption is the adhesion of atoms , ions , or molecules from a gas, liquid, or dissolved solid to a surface . This process creates a film of the adsorbate on the surface of the adsorbent . This process differs from absorption , in which a fluid (the absorbate ...