swelling

in colloid and surface chemistry
https://doi.org/10.1351/goldbook.S06202
The increase in volume of a @G02600@ or solid associated with the @UT06806@ of a liquid or gas.
Source:
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 615 [Terms] [Paper]