lithographical
Lith`o*graph"ic, Lith`o*graph"ic*al, a. Etym: [Cf. F. lithographique.] Defn: 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 Oölite, esp. of Bavaria, and extensively used in lithography. -- Lith`o*graph"ic*al*ly, adv.