Dictionary Check: flux

the rate of flow of energy or particles across a given surface

a flow or discharge

a substance added to molten metals to bond with impurities that can then be readily removed

excessive discharge of liquid from a cavity or organ (as in watery diarrhea)

a state of uncertainty about what should be done (usually following some important event) preceding the establishment of a new direction of action

the lines of force surrounding a permanent magnet or a moving charged particle