What is the meaning of flux?

noun

• The rate of flow of energy or particles across a given surface.
• A flow or discharge.
  • synonyms: fluxion
• 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.
  • usage: "the flux following the death of the emperor"
  • synonyms: state of flux
• The lines of force surrounding a permanent magnet or a moving charged particle.
  • synonyms: magnetic field, magnetic flux
• Physics) the number of changes in energy flow across a given surface per unit area.
  • synonyms: flux density
• In constant change.
  • usage: "his opinions are in flux"; "the newness and flux of the computer industry"

verb

• Move or progress freely as if in a stream.
  • usage: "The crowd flowed out of the stadium"
  • synonyms: flow
• Become liquid or fluid when heated.
  • usage: "the frozen fat liquefied"
  • synonyms: liquefy, liquify
• Mix together different elements.
  • usage: "The colors blend well"
  • synonyms: blend, mix, conflate, commingle, immix, fuse, coalesce, meld, combine, merge