Chemistry. A piece of laboratory apparatus for holding and measuring gas. Now chiefly historical.

A machine designed to rotate a thing or substance rapidly around a fixed axis; spec. such a machine used to separate the constituent parts of a…

an apparatus for measuring the amount of nitrogen present.

a device for agitating or mixing liquids, esp. biological samples or cultures in a laboratory.

a centrifuge for separating gases according to their molecular mass; esp. one used to enrich uranium for use as a nuclear fuel; cf. uranium enrichment…

a centrifuge designed for use with very small samples.