sciagraphy, sciography

[Gr. skiagraph i a, from ski a =a shadow, and graphō =to describe, to draw; Fr. sciagraphie.] 1. Art : The act or art of correctly delineating shadows in drawing; the art of sketching objects with correct shading. out "Let those who are delighted with sciagraphy paint these shadow-patriarchs." -Fuller: Holy War, p. 111. 2. Arch .: The profile or section of a building showing its inside; a sci a graph. 3. Astron.: The art of finding the hour of the day or night by the shadow of the sun, moon or stars; dialing.