Dictionary
chal•ced•o•ny
Pronunciation: (kal-sed'n-ē, kal'su-dō"nē), [key]—
n.,
—pl. -nies.
a microcrystalline, translucent variety of quartz, often milky or grayish.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.