| 释义 | 
		Definition of sciagraphy in English: sciagraphy(also skiagraphy) nounsʌɪˈaɡrəfi mass noun1The use of shading and the projection of shadows to show perspective in architectural or technical drawing. 投影法 Example sentencesExamples -  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.
 
 2Medicine  historical The use of X-rays as a diagnostic tool.  skiagraphy showed a foreign body, hardly as large as the little fingernail 
 Derivativesnounˈsʌɪəɡram verbˈsʌɪəɡrɑːfˈsaɪəˌɡræf [with object]historical Photograph by means of X-rays.  both knees should be sciagraphed 
 adjectivesʌɪəˈɡrafɪk 
 OriginLate 16th century: from French sciagraphie, via Latin from Greek skiagraphia, from skia 'shadow'.     |