fluor

[floo-awr, -er] /ˈflu ɔr, -ər/
noun, Mineralogy
1.
Origin
1615-25; < Latin fluor a flowing; so called from its use as a flux

fluor-

1.
variant of fluoro- before a vowel:
fluorene; fluoric.
British Dictionary definitions for fluor

fluor

/ˈfluːɔː/
noun
1.
another name for fluorspar
Word Origin
C17: from Latin: a flowing; so called from its use as a metallurgical flux

fluorspar

/ˈflʊəˌspɑː/
noun
1.
a white or colourless mineral sometimes fluorescent and often tinted by impurities, found in veins and as deposits from hot gases. It is used in the manufacture of glass, enamel, and jewellery, and is the chief ore of fluorine. Composition: calcium fluoride. Formula: CaF2. Crystal structure: cubic Also (US and Canadian) fluorite

fluor-

combining form
1.
a variant of fluoro- fluorene, fluorine
Word Origin and History for fluor
n.

16c., and old chemistry term for "minerals which were readily fusible and useful as fluxes in smelting" [Flood], Latin fluor, originally meaning "a flowing, flow" (see fluent). Since 1771 applied to minerals containing fluorine, especially calcium fluoride (fluorspar or fluorite).

fluor in Medicine

fluor- pref.
Variant of fluoro-.