chrysoberyl definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a very hard, yellowish or greenish mineral, BeAlO, used as a gem; beryllium aluminum oxide
Origin: chryso- plush beryl
chrysoberyl definition by American Heritage Dictionary
A gray, green to yellow, or brown vitreous mineral, BeAl2O4, relatively rare and used as a gemstone.
Origin: Latin chrȳsobēryllus, from Greek khrūsobērullos : khrūso-, chryso- + bērullos, beryl; see beryl.