[mass noun]an apple-green variety of chalcedony containing nickel, used as a gemstone 绿玉髓 ■(in the New Testament) a golden-green precious stone, perhaps a variety of beryl (新约圣经)金绿宝石(可能为一种绿玉)
语源
Middle English (in the New Testament sense): from Old French crisopace, via Latin from Greek khrusoprasos, from khrusos 'gold' + prason 'leek'