| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024fluo•rite (flŏŏr′īt, flôr′-, flōr′-),USA pronunciation n. - Mineralogya common mineral, calcium fluoride, CaF2, occurring in green, blue, purple, yellow, or colorless crystals, usually in cubes: the principal source of fluorine, used also as a flux in metallurgy and for ornament. Also called fluor, fluorspar, fluor spar.
- Italian; see fluor-, -ite1
- 1865–70
Collins Concise English Dictionary © HarperCollins Publishers:: fluorite /ˈflʊəraɪt/ n - US Canadian 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 called (in Britain and certain other countries): fluorspar, fluor
|