\Ef"flux\, n. [See {Effluent}, {Flux}.]
1. The act or process of flowing out, or issuing forth;
   effusion; outflow; as, the efflux of matter from an ulcer;
   the efflux of men's piety.
         It is then that the devout affections . . . are
         incessantly in efflux.                --I. Taylor.
2. That which flows out; emanation; effluence.
         Prime cheerer, light! . . . Efflux divine.
                                               --Thomson.

\Ef*flux"\, v. i.
To run out; to flow forth; to pass away. [Obs.] --Boyle.