Home › Words › C › chalcedonychalcedony/kælˈsɛd.ə.ni/chalcedony means A form of fine-grained quartz that is nearly transparent or has a milky translucence; it fractures conchoidally.chalcedony is pronounced /kælˈsɛd.ə.ni/.EtymologyBorrowed from Latin chalcēdōnius, from Ancient Greek χαλκηδόνιος (khalkēdónios), from Ancient Greek χαλκηδών (khalkēdṓn), cognate to Arabic كَرْكَنْد (karkand).nounA form of fine-grained quartz that is nearly transparent or has a milky translucence; it fractures conchoidally.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.cacholong 74% match — An opaque or milk-white chalcedony, a variety of quartz. vs chalcedony →chalcedonyx 73% match — An agate formed of a white opaque chalcedony alternating with a greyish translucent chalcedony. vs chalcedony →chalcedonite 69% match — chalcedony vs chalcedony →chalcedonic 67% match — Of or pertaining to chalcedony. vs chalcedony →calcedon 66% match — Any common mineral, such as chalcedony or calcite, that is found as an intrusion or vein in another stone, especially in a precious stone. vs chalcedony →chrysoprase 65% match — A variety of light-green translucent quartz. vs chalcedony →chalcedoneous 65% match — Relating to or composed of chalcedony. vs chalcedony →cymophane 62% match — A translucent yellowish chatoyant chrysoberyl. vs chalcedony →