Sci`a*graph"ic*al (?), a. [Cf. F. sciagraphique, Gr. &?;.] Pertaining
to sciagraphy. - - Sci`a*graph"ic*al*ly, adv.
Sci*ag"ra*phy (?), n. [Gr. &?;, fr. &?; drawing in light and shade; &?;
a shadow + &?; to delineate, describe: cf. F. sciagraphie.] 1. The art
or science of projecting or delineating shadows as they fall in nature.
Gwilt.