The use of shading and the projection of shadows to show perspective in architectural or technical drawing.
More example sentences
- These methods differed from contemporary pictorial practices by their greater science - particularly the use of shadow projection (skiagraphy).
- His first process, sciagraphy or photogenic drawing, had been an invention.
late 16th century: from French sciagraphie, via Latin from Greek skiagraphia, from skia 'shadow'.
Definition of sciagraphy in:
- The US English dictionary