sedimentation

in chemistry
https://doi.org/10.1351/goldbook.ST07631
Separation of a dispersed system under the action of a gravitational or centrifugal field according to the different densities of the components.
Source:
PAC, 2007, 79, 1801. 'Definitions of terms relating to the structure and processing of sols, gels, networks, and inorganic-organic hybrid materials (IUPAC Recommendations 2007)' on page 1825 (https://doi.org/10.1351/pac200779101801)