\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.
{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}.