## swelling pressure

in colloid and surface chemistry
https://doi.org/10.1351/goldbook.S06203
That pressure difference $$\mathit{\Pi} _{\text{sw}}$$ or $$\mathit{\Pi}$$ which has to be established between a @G02600@ and its equilibrium liquid, to prevent further @S06202@ of the @G02600@.
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]