chalcedony

noun chal·ce·do·ny \kal-ˈse-d^ən-ē, chal-; ˈkal-sə-ˌdō-nē, ˈchal-, -ˌdä-\

plural chal·ce·do·nies

Definition of CHALCEDONY

: a translucent variety of quartz of various colors and waxy luster

— chal·ce·don·ic \ˌkal-sə-ˈdä-nik\ adjective

See chalcedony defined for kids

Middle English calcedonie, a precious stone, from Anglo-French, from Late Latin chalcedonius, from Greek Chalkēdōn Chalcedon

First Known Use: 13th century

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