3. The state of beinng liquid through heat; fusion.

4. (Chem.& Metal.)

Defn: Any substance or mixture used to promote the fusion of metals or minerals, as alkalies, borax, lime, fluorite.

Note: White flux is the residuum of the combustion of a mixture of equal parts of niter and tartar. It consists chiefly of the carbonate of potassium, and is white.- Black flux is the ressiduum of the combustion of one part of niter and two of tartar, and consists essentially of a mixture of potassium carbonate and charcoal.

5. (Med.) (a) A fluid discharge from the bowels or other part; especially, an excessive and morbid discharge; as, the bloody flux or dysentery. See Bloody flux. (b) The matter thus discharged.

6. (Physics)

Defn: The quantity of a fluid that crosses a unit area of a given surface in a unit of time.

FLUX
Flux, a. Etym: [L. fluxus, p. p. of fluere. See Flux, n.]

Defn: Flowing; unstable; inconstant; variable.
The flux nature of all things here. Barrow.

FLUX
Flux, v. t. [imp. & p. p. Fluxed; p. pr. & vb. n. Fluxing.]