fluor fluophosphate • fluoran · · · Info · Definitions · Synonyms · Characters · · fluor · · Text Latin · · Script 5 · · Length Definitions · · · (noun) a soft mineral (calcium fluoride) that is fluorescent in ultraviolet light; chief source of fluorine. Synonyms: fluorite, fluorspar. · · Noun Definition 1 Synonyms · · · fluorite · · Synonym 1 fluorspar · · Synonym 2 Characters · · f latin small letter f U+0066 l latin small letter l U+006C o latin small letter o U+006F r latin small letter r U+0072 u latin small letter u U+0075