A lot vs. Alot: 9 Grammatical Pitfalls
1887, "a centrifuge machine," originally a machine for separating cream from milk, from French centrifuge, from noun use of adjective meaning "centrifugal" (1801), from Modern Latin centrifugus (see centrifugal).
centrifuge cen·tri·fuge (sěn'trə-fyōōj')
An apparatus consisting essentially of a compartment spun about a central axis to separate contained materials of different densities, or to separate colloidal particles suspended in a liquid. v. cen·tri·fuged, cen·tri·fug·ing, cen·tri·fug·es
To rotate something in a centrifuge or to separate, dehydrate, or test by means of this apparatus.
A machine that separates substances of different densities in a sample by rotating the sample at very high speed, causing the substance to be displaced outward, sometimes through a series of filters or gratings. Denser substances tend to be displaced from the center more than ones that are less dense.