[chal.ce.do.ny] n, pl -nies [ME calcedonie, a precious stone, fr. LL chalcedonius, fr. Gk Chalkedon Chalcedon] (13c): a translucent quartz that is commonly pale blue or gray with nearly waxlike luster -- chal.ce.don.ic adj
CHALCEDONY
Meaning of CHALCEDONY in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012