[1] : 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
see also:
cypreous copper finch chaffinch copper glance vitreous copper chalcocite 
indigo copper covelline 

[2] : The Collaborative International Dictionary of English v.0.48

chalcocite \chal"cocite\, 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
see also:
copper glance vitreous copper chalcosine 

Vitreous >> V Words
Vitreous, definition of term: Vitreous
vitreous_pag1.html

Copper >> C Words
Copper, definition of term: Copper
copper_pag1.html

Vitreous Humor >> V Words
Vitreous Humor, definition of term: Vitreous Humor
vitreous+humor_pag1.html

Copper Sulphate >> C Words
Copper Sulphate, definition of term: Copper Sulphate
copper+sulphate_pag1.html

Copper Sulfate >> C Words
Copper Sulfate, definition of term: Copper Sulfate
copper+sulfate_pag1.html