Mellitic acid

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
    

Mellitic \Mel*lit"ic\, a. [Cf. F. mellitique. See {Mellite}.]
   (Chem.)
   (a) Containing saccharine matter; marked by saccharine
       secretions; as, mellitic diabetes.
   (b) Pertaining to, or derived from, the mineral mellite.
       [1913 Webster]

   {Mellitic acid} (Chem.), a white, crystalline, organic
      substance, {C6(CO2H)6}, occurring naturally in combination
      with aluminium in the mineral mellite, and produced
      artificially by the oxidation of coal, graphite, etc., and
      hence called also {graphitic acid}.
      [1913 Webster]