QUIZ YOURSELF ON “THEIR,” “THERE,” AND “THEY’RE”
Origin of fluor
Example sentences from the Web for fluor
Fluor acid air is procured by dissolving the earthy substance called fluor in vitriolic acid.
The nitrous acid may be exhibited in the form of air, as well as the vitriolic, the marine, and the fluor acids.
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 wide-mouthed clay pot is taken and a little fluor spar added.