Source : Webster's Revised Unabridged Dictionary (1913)

Sciagraphy \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.

   2. (Arch.) Same as {Sciagraph}.

Sciagraphy \Sci*ag"ra*phy\, n. (Physics)
   Same as {Radiography}.