| slovo | definícia |
chalcedony
(encz) | chalcedony,chalcedon n: Zdeněk Brož |
Chalcedony
(gcide) | 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] |
chalcedony
(wn) | chalcedony
n 1: a milky or greyish translucent to transparent quartz [syn:
chalcedony, calcedony] |
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