a. [f. as prec. + -AL.]
1. Pertaining to lithography. rare0.
182832. in Webster.
2. Pertaining to the descriptive science of stones; lithological.
1872. W. S. Symonds, Rec. Rocks, vi. 154. The Denbighshire grits are Lower Wenlock strata, changed and altered as regards their lithographical constituents.
Hence Lithographically adv., by means of lithography.
182832. in Webster.