from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A clear blue cordierite often used as a gemstone.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A deep blue variety of iolite, sometimes used as a gem.
from the GNU version of the Collaborative International Dictionary of English
- A deep blue variety of iolite, sometimes used as a gem; -- called also saphir d'eau.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a deep blue cordierite often used as a gemstone
Equivalent to French saphir d'eau. (Wiktionary)