fluor n : a soft mineral (calcium fluoride) that is fluorescent in ultraviolet light; chief source of fluorine [syn: fluorite, fluorspar]
- This page is about the fluor class of minerals. For the company, see Fluor Corp.
Fluor is any of a class of minerals first identified by Georg Agricola, which he described as resembling gems, but softer, readily fusible, and useful in smelting.
fluor in German: Fluor Corporation