Sciography (from Greek σκιά `shadow`) is a branch of science of the perspective dealing with the projection of shadows, or delineation of an object in perspective with its gradations of light and shade. One of the major professional fields that use this technique is the architectural field. In architecture it is defined as a study of shades .....
• (n.) See Sciagraphy.
Sci·og'ra·phy noun See Sciagraphy .