Source : Webster's Revised Unabridged Dictionary (1913)

Lithographic \Lith`o*graph"ic\, Lithographical
\Lith`o*graph"ic*al\, a. [Cf. F. lithographique.]
   Of or pertaining to lithography; made by lithography; as, the
   lithographic art; a lithographic picture.

   {Lithographic limestone} (Min.), a compact, fine-grained
      limestone, obtained largely from the Lias and O["o]lite,
      esp. of Bavaria, and extensively used in lithography. --
      {Lith`o*graph"ic*al*ly}, adv.