This common meaning refers to a condition in which circumstances are changing and have not yet become stable.
The industry remains in a state of flux.
Political boundaries were constantly in flux.
This scientific meaning refers to the amount or rate of matter, energy, or another quantity passing through a surface or region.
The experiment measured the flux of heat through the wall.
Water flux increased as the pressure rose.
This metalworking meaning refers to a chemical substance that improves soldering, welding, smelting, or fusion by removing impurities and oxidation.
Apply flux before soldering the wires.
The flux removes oxide from the metal surface.
This technical verb means applying flux to metal before soldering, welding, or melting.
The worker fluxed the joint before soldering it.
The surfaces must be cleaned and fluxed first.
