a. [f. as prec. + -AL.]

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  1.  Pertaining to lithography. rare0.

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1828–32.  in Webster.

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  2.  Pertaining to the descriptive science of stones; lithological.

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1872.  W. S. Symonds, Rec. Rocks, vi. 154. The Denbighshire grits are Lower Wenlock strata, changed and altered as regards their lithographical constituents.

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  Hence Lithographically adv., by means of lithography.

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1828–32.  in Webster.

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