The Collaborative International Dictionary
lithographing
lithograph \lith"o*graph\, v. t. [imp. & p. p. lithographed; p. pr. & vb. n. lithographing.] [litho- + -graph: cf. F. lithographier.] To trace on stone by the process of lithography so as to transfer the design to paper by printing; as, to lithograph a design; to lithograph a painting. See lithography.
Wiktionary
lithographing
vb. (present participle of lithograph English)