sedimentation in chemistry

https://dx.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