Flux
measure of the flow of something through a surface, in some cases per surface area / From Wikipedia, the free encyclopedia
This article is about flux in science and mathematics. For other uses, see Flux (disambiguation).
Flux is a term in physics and mathematics. It is broadly defined as "How much stuff goes through a thing" (or into an area). The word "flux" is similar to "flow".
For instance, in a butterfly net the amount of air passing through the net is the flux.