Definition of flux

• n. - The act of flowing; a continuous moving on or passing by, as of a flowing stream; constant succession; change.
• n. - The setting in of the tide toward the shore, -- the ebb being called the reflux.
• n. - The state of being liquid through heat; fusion.
• n. - Any substance or mixture used to promote the fusion of metals or minerals, as alkalies, borax, lime, fluorite.
• n. - A fluid discharge from the bowels or other part; especially, an excessive and morbid discharge; as, the bloody flux or dysentery. See Bloody flux.
• n. - The matter thus discharged.
• n. - The quantity of a fluid that crosses a unit area of a given surface in a unit of time.
• n. - Flowing; unstable; inconstant; variable.
• v. t. - To affect, or bring to a certain state, by flux.
• v. t. - To cause to become fluid; to fuse.
• v. t. - To cause a discharge from; to purge.