(chemistry) In liquid chromatography, a mobile phase of constant composition. In contrast to this is the so called "gradient elution", which is a separation where the mobile phase changes its composition during a separation process.

Moving freely.

(biology) A technique used to sort and classify cells by using fluorescent markers on their surface

The largest measure of air respired from the lungs. / The largest volume of water discharged from a stream or river.

(economics, accounting) A variable whose value depends on a period of time rather than an instant, example being the gross domestic product.

A flow from something (or somewhere) to something (or somewhere) else / A channel or way by which surplus water can be discharged or allowed to flow off

(physics) The flow of a gas in which the mean free path of its molecules is much longer than the characteristic dimension of the tube etc that it is flowing through.

A part of a flow cytometer in which a stream of cells is aligned to pass one at a time through a light beam

A cytometer used in flow cytometry

(physics) The distribution of the density and velocity of a fluid over space and time