CHALCEDONY


Meaning of CHALCEDONY in English

[ kal'sɛdəni ]

■ noun ( plural chalcedonies ) quartz occurring in a microcrystalline form such as onyx and agate.

Derivatives

chalcedonic ˌkalsɪ'dɒnɪk adjective

Origin

ME: from L. calcedonius , chalcedonius , from Gk khalkēdōn .

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.