From The Collaborative International Dictionary of English v.0.48:

Graphite \Graph"ite\, n. [Gr. gra`fein to write: cf. F.
   graphite. See Graphic.] (Min.)
   Native carbon in hexagonal crystals, also foliated or
   granular massive, of black color and metallic luster, and so
   soft as to leave a trace on paper. It is used for pencils
   (improperly called lead pencils), for crucibles, and as a
   lubricator, etc. Often called plumbago or black lead.
   [1913 Webster]

   Graphite battery (Elec.), a voltaic battery consisting of
      zinc and carbon in sulphuric acid, or other exciting
      [1913 Webster]
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