plural of mass flow

(astrophysics) A possible non-random component of the peculiar velocity of galaxy clusters.

plural of flow chart

plural of lava flow

plural of flow variable

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

plural of ebb and flow

plural of page flow

(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.

The net movement of material matter from one location to another.