Main Entry: ad·sorp·tion

Pronunciation: \ad-ˈsȯrp-shən, -ˈzȯrp-\

Function: noun

: the adhesion in an extremely thin layer of molecules (as of gases, solutes, or liquids) to the surfaces of solid bodies or liquids with which they are in contact—compare absorption

—ad·sorp·tive \-ˈsȯrp-tiv, -ˈzȯrp-\ adjective