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5 definitions found
 for Agate
From The Collaborative International Dictionary of English v.0.48 :

  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]

From The Collaborative International Dictionary of English v.0.48 :

  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]

From The Collaborative International Dictionary of English v.0.48 :

  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]

From WordNet (r) 3.0 (2006) :

  agate
      n 1: an impure form of quartz consisting of banded chalcedony;
           used as a gemstone and for making mortars and pestles

From Easton's 1897 Bible Dictionary :

  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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