C17: from Latin: a flowing; so called from its use as a metallurgical flux
fluor- in British English
combining form
a variant of fluoro-
fluorene
fluorine
fluor in American English
(ˈfluɔr)
noun
Chiefly British
fluorite
Word origin
ModL < L, flux < fluere, to flow (see fluctuate): transl. of Ger fluss, orig. applied to minerals used as smelting fluxes, but later limited to those containingfluorine