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fluor

[floo-awr, -er] /ˈflu ɔr, -ər/
noun, Mineralogy
1.
Origin
1615-1625
1615-25; < Latin fluor a flowing; so called from its use as a flux

fluor-

1.
variant of fluoro- before a vowel:
fluorene; fluoric.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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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).

Online Etymology Dictionary, © 2010 Douglas Harper
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fluor in Medicine

fluor- pref.
Variant of fluoro-.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Difficulty index for fluor

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Word Value for fluor

8
10
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