from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A greenish chrysoberyl that appears red in artificial light, used as a gemstone.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A form of chrysoberyl that displays a colour change dependent upon the light source, along with strong pleochroism.
from The Century Dictionary and Cyclopedia
- n. A variety of chrysoberyl found in the mica slate of the Ural mountains.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a green variety of chrysoberyl used as a gemstone
German Alexandrit, after Alexander I.(American Heritage® Dictionary of the English Language, Fourth Edition)
Named after Alexander I of Russia. (Wiktionary)