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3 definitions found
 for copper glance
From The Collaborative International Dictionary of English v.0.48 :

  Copper \Cop"per\, n. [OE. coper (cf. D. koper, Sw. koppar, Dan.
     kobber, G. kupfer), LL. cuper, fr. L. cuprum for earlier
     Cyprium, Cyprium aes, i.e., Cyprian brass, fr. Gr. ? of
     Cyprus (Gr. ?), anciently renowned for its copper mines. Cf.
     Cypreous.]
     1. A common metal of a reddish color, both ductile and
        malleable, and very tenacious. It is one of the best
        conductors of heat and electricity. Symbol Cu. Atomic
        weight 63.3. It is one of the most useful metals in
        itself, and also in its alloys, brass and bronze.
        [1913 Webster]
  
     Note: Copper is the only metal which occurs native abundantly
           in large masses; it is found also in various ores, of
           which the most important are chalcopyrite, chalcocite,
           cuprite, and malachite. Copper mixed with tin forms
           bell metal; with a smaller proportion, bronze; and with
           zinc, it forms brass, pinchbeck, and other alloys.
           [1913 Webster]
  
     2. A coin made of copper; a penny, cent, or other minor coin
        of copper. [Colloq.]
        [1913 Webster]
  
              My friends filled my pockets with coppers.
                                                    --Franklin.
        [1913 Webster]
  
     3. A vessel, especially a large boiler, made of copper.
        [1913 Webster]
  
     4. pl. Specifically (Naut.), the boilers in the galley for
        cooking; as, a ship's coppers.
        [1913 Webster]
  
     Note: Copper is often used adjectively, commonly in the sense
           of made or consisting of copper, or resembling copper;
           as, a copper boiler, tube, etc.
           [1913 Webster]
  
                 All in a hot and copper sky.       --Coleridge.
           [1913 Webster]
  
     Note: It is sometimes written in combination; as,
           copperplate, coppersmith, copper-colored.
           [1913 Webster]
  
     Copper finch. (Zool.) See Chaffinch.
  
     Copper glance, or Vitreous copper. (Min.) See
        Chalcocite.
  
     Indigo copper. (Min.) See Covelline.
        [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 :

  Chalcocite \Chal"co*cite\, n. [Gr. chalko`s brass.] (Min.)
     Native copper sulphide, called also copper glance, and
     vitreous copper; a mineral of a black color and metallic
     luster. [Formerly written chalcosine.]
     [1913 Webster] Chalcographer

From WordNet (r) 3.0 (2006) :

  copper glance
      n 1: a heavy grey mineral that is an ore of copper [syn:
           chalcocite, copper glance]

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