The process of separating substances of different densities by the use of a centrifuge WordNet 3.0 & Open English WordNet

Centrifugation is a mechanical process which involves the use of the centrifugal force to separate particles from a solution according to their size, shape, density, medium viscosity and rotor speed. Wikipedia

The application of centrifugal force to separate particles or molecules by size or density in/from a solution. Wikidata

Separation of particles from a suspension in a centrifuge: balanced tubes containing the suspension are attached to the opposite ends of arms rotating rapidly about a central point; the suspended particles are forced outwards, and collect at the bottoms of the tubes. OmegaWiki

The process in which mixtures are separated using the centripetal force generated by spinning in a centrifuge. Wiktionary

Process in which mixtures are separated using centripetal force. Wiktionary (translation)