from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See fluorite.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A halide mineral composed of calcium fluoride.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a soft mineral (calcium fluoride) that is fluorescent in ultraviolet light; chief source of fluorine
Blend of fluorite and spar#Etymology 4 (Wiktionary)