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agate 音标拼音: ['ægət] n. 玛瑙,5.5点铅字 玛瑙,5.5点铅字 agate n 1: an impure form of quartz consisting of banded chalcedony; used as a gemstone and for making mortars and pestles Agate \A*gate"\, adv. [Pref. a- on gate way.] On the way; agoing; as, to be agate; to set the bells agate. [Obs.] --Cotgrave. [1913 Webster] Agate \Ag"ate\, n. [F. agate, It. agata, L. achates, fr. Gr. ?.] 1. (Min.) A semipellucid, uncrystallized variety of quartz, presenting various tints in the same specimen. Its colors are delicately arranged in stripes or bands, or blended in clouds. [1913 Webster] Note: The fortification agate, or Scotch pebble, the moss agate, the clouded agate, etc., are familiar varieties. [1913 Webster] 2. (Print.) A kind of type, larger than pearl and smaller than nonpareil; in England called ruby. [1913 Webster] 3. A diminutive person; so called in allusion to the small figures cut in agate for rings and seals. [Obs.] --Shak. [1913 Webster] 4. A tool used by gold-wire drawers, bookbinders, etc.; -- so called from the agate fixed in it for burnishing. [1913 Webster] 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] Agate
(Heb. shebo), a precious stone in the breast-plate of the high priest (Ex. 28:19; 39:12), the second in the third row. This may be the agate properly so called, a semi-transparent crystallized quartz, probably brought from Sheba, whence its name. In Isa. 54:12 and Ezek. 27:16, this word is the rendering of the Hebrew cadcod, which means "ruddy," and denotes a variety of minutely crystalline silica more or less in bands of different tints. This word is from the Greek name of a stone found in the river Achates in Sicily.
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