Origin of fluor
Definition for fluor (2 of 2)
Examples from the Web for fluor
This is the fluor acid which volatilises the siliceous substance.Theory of the Earth, Volume 1 (of 4)|James Hutton
Fluor acid air is procured by dissolving the earthy substance called fluor in vitriolic acid.
She complained likewise of having the fluor albus, and she had been blooded more than once before she came to the Hospital.
Cassiterite goes with boron and tourmaline, topaz, fluor spar and lithia-mica; all containing fluorine.The A B C of Mining|Charles A. Bramble
Fluor: fluor-spar as free as possible from other minerals, powdered.A Textbook of Assaying: For the Use of Those Connected with Mines.|Cornelius Beringer and John Jacob Beringer
British Dictionary definitions for fluor (1 of 2)
Word Origin for fluor
British Dictionary definitions for fluor (2 of 2)
before a vowel fluor-
Word Origin and History for fluor
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).