The Collaborative International Dictionary of English v.0.48:

Graphitic \Gra*phit"ic\, a.
   Pertaining to, containing, derived from, or resembling,
   graphite.
   [1913 Webster]

   Graphitic acid (Chem.), an organic acid, so called because
      obtained by the oxidation of graphite; -- usually called
      mellitic acid.

   Graphitic carbon, in iron or steel, that portion of the
      carbon which is present as graphite. --Raymond. Graphitoid