Entry 3 senses Webster, 1913 Sciagraphy · Sci·ag·ra·phy · IPA 01 n. The art or science of projecting or delineating shadows as they fall in nature. 1. The art or science of projecting or delineating shadows as they fall in nature. 2. Same as Sciagraph.(Arch.) See: Sciagraph 3. Same as Radiography.(Physics) See: Radiography