calcedony

calcedony
Chalcedony Chal*ced"o*ny (k[a^]l*s[e^]d"[-o]*n[y^] or k[a^]l"s[-e]*d[-o]*n[y^]; 277), n.; pl. {Chalcedonies} (-n[i^]z). [ L. chalcedonius, fr. Gr. CHalkhdw`n Chalcedon, a town in Asia Minor, opposite to Byzantium: cf. calc['e]doine, OE. calcidoine, casidoyne. Cf. {Cassidony}.] (Min.) A cryptocrystalline, translucent variety of quartz, having usually a whitish color, and a luster nearly like wax. [Written also {calcedony}.] [1913 Webster]

Note: When chalcedony is variegated with with spots or figures, or arranged in differently colored layers, it is called {agate}; and if by reason of the thickness, color, and arrangement of the layers it is suitable for being carved into cameos, it is called {onyx}. {Chrysoprase} is green chalcedony; {carnelian}, a flesh red, and {sard}, a brownish red variety. [1913 Webster] ||


The Collaborative International Dictionary of English. 2000.

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Look at other dictionaries:

  • calcedony — noun a milky or greyish translucent to transparent quartz • Syn: ↑chalcedony • Hypernyms: ↑quartz, ↑transparent gem • Hyponyms: ↑agate, ↑bloodstone, ↑heliotro …   Useful english dictionary

  • calcedony — cal·ced·o·ny (kăl sĕdʹn ē) n. Variant of chalcedony. * * * …   Universalium

  • chalcedony — chalcedonic /kal si don ik/, chalcedonous, adj. /kal sed n ee, kal seuh doh nee/, n., pl. chalcedonies. a microcrystalline, translucent variety of quartz, often milky or grayish. [1275 1325; ME calcedonie < LL chalcedonius (Vulgate, Rev. XIX, 19) …   Universalium

  • agate — Chalcedony Chal*ced o*ny (k[a^]l*s[e^]d [ o]*n[y^] or k[a^]l s[ e]*d[ o]*n[y^]; 277), n.; pl. {Chalcedonies} ( n[i^]z). [ L. chalcedonius, fr. Gr. CHalkhdw n Chalcedon, a town in Asia Minor, opposite to Byzantium: cf. calc[ e]doine, OE.… …   The Collaborative International Dictionary of English

  • carnelian — Chalcedony Chal*ced o*ny (k[a^]l*s[e^]d [ o]*n[y^] or k[a^]l s[ e]*d[ o]*n[y^]; 277), n.; pl. {Chalcedonies} ( n[i^]z). [ L. chalcedonius, fr. Gr. CHalkhdw n Chalcedon, a town in Asia Minor, opposite to Byzantium: cf. calc[ e]doine, OE.… …   The Collaborative International Dictionary of English

  • Chalcedonies — Chalcedony Chal*ced o*ny (k[a^]l*s[e^]d [ o]*n[y^] or k[a^]l s[ e]*d[ o]*n[y^]; 277), n.; pl. {Chalcedonies} ( n[i^]z). [ L. chalcedonius, fr. Gr. CHalkhdw n Chalcedon, a town in Asia Minor, opposite to Byzantium: cf. calc[ e]doine, OE.… …   The Collaborative International Dictionary of English

  • Chalcedony — Chal*ced o*ny (k[a^]l*s[e^]d [ o]*n[y^] or k[a^]l s[ e]*d[ o]*n[y^]; 277), n.; pl. {Chalcedonies} ( n[i^]z). [ L. chalcedonius, fr. Gr. CHalkhdw n Chalcedon, a town in Asia Minor, opposite to Byzantium: cf. calc[ e]doine, OE. calcidoine,… …   The Collaborative International Dictionary of English

  • Chrysoprase — Chalcedony Chal*ced o*ny (k[a^]l*s[e^]d [ o]*n[y^] or k[a^]l s[ e]*d[ o]*n[y^]; 277), n.; pl. {Chalcedonies} ( n[i^]z). [ L. chalcedonius, fr. Gr. CHalkhdw n Chalcedon, a town in Asia Minor, opposite to Byzantium: cf. calc[ e]doine, OE.… …   The Collaborative International Dictionary of English

  • onyx — Chalcedony Chal*ced o*ny (k[a^]l*s[e^]d [ o]*n[y^] or k[a^]l s[ e]*d[ o]*n[y^]; 277), n.; pl. {Chalcedonies} ( n[i^]z). [ L. chalcedonius, fr. Gr. CHalkhdw n Chalcedon, a town in Asia Minor, opposite to Byzantium: cf. calc[ e]doine, OE.… …   The Collaborative International Dictionary of English

  • sard — Chalcedony Chal*ced o*ny (k[a^]l*s[e^]d [ o]*n[y^] or k[a^]l s[ e]*d[ o]*n[y^]; 277), n.; pl. {Chalcedonies} ( n[i^]z). [ L. chalcedonius, fr. Gr. CHalkhdw n Chalcedon, a town in Asia Minor, opposite to Byzantium: cf. calc[ e]doine, OE.… …   The Collaborative International Dictionary of English

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