fluor

[ floo-awr, -er ]

/ ˈflu ɔr, -ər /

Save This Word!

noun Mineralogy.

fluorite.

QUIZ

WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?

Smoothly step over to these common grammar mistakes that trip many people up. Good luck!

Question 1 of 7

Fill in the blank: I can’t figure out _____ gave me this gift.

who

whom

TAKE THE QUIZ TO FIND OUT

Origin of fluor

First recorded in 1615–25, fluor is from the Latin word fluor a flowing; so called from its use as a flux

Words nearby fluor

fluoboric, fluoboric acid, Fluon, fluophosphate, fluophosphoric acid, fluor, fluorapatite, fluorene, fluoresce, fluorescein, fluorescence

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use fluor in a sentence

Fluor acid air is procured by dissolving the earthy substance called fluor in vitriolic acid.
Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry|Joseph Priestley
The nitrous acid may be exhibited in the form of air, as well as the vitriolic, the marine, and the fluor acids.
Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry|Joseph Priestley
Fluor spar is as favorable a gangue for lead as quartz is for gold.
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

A wide-mouthed clay pot is taken and a little fluor spar added.
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)

fluor

/ (ˈfluːɔː) /

noun

another name for fluorspar

Word Origin for fluor

C17: from Latin: a flowing; so called from its use as a metallurgical flux

British Dictionary definitions for fluor (2 of 2)

fluor-

combining form

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