Flux \Flux\, v. t. [imp. & p. p. {Fluxed} (fl[u^]kst); p. pr. & vb. n. {Fluxing}.] 1. To affect, or bring to a certain state, by flux. He might fashionably and genteelly . . . have been dueled or fluxed into another world. --South. 2. To cause to become fluid; to fuse. --Kirwan. 3. (Med.) To cause a discharge from; to purge.