Definition of "Flux" :

noun: in constant change

"His opinions are in flux."

noun: (physics) the number of changes in energy flow across a given surface per unit area

noun: a flow or discharge

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

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

"The flux following the death of the emperor."

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

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

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

verb: mix together different elements

verb: become liquid or fluid when heated

verb: move or progress freely as if in a stream