n.
Pronunciation: kal- ' se-d ə n- ē , chal-; ' kal-s ə - ˌ d ō -n ē , ' chal-, - ˌ dä-
Function: noun
Inflected Form: plural -nies
Etymology: Middle English calcedonie, a precious stone, from Anglo-French, from Late Latin chalcedonius, from Greek Chalk ē d ō n Chalcedon
Date: 13th century
: a translucent variety of quartz of various colors and waxy luster
– chal · ce · don · ic \ ˌ kal-s ə - ' dä-nik \ adjective