This word is not acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. the art of representing shadows as realistically as possible

n. a vertical section through a building

n. radiography

n. The art or science of projecting or delineating shadows as they fall in nature.

n. Same as Sciagraph.

n. Same as Radiography.

n. The act or art of delineating shadows correctly in drawing; the art of sketching objects with correct shading.

n. In architecture, a geometrical profile or section of a building to exhibit its interior structure; a sciagraph.

n. In astronomy, the art of finding the hour of the day or night by the shadows of objects caused by the sun, moon, or stars; the art of dialing. Also sciography.

n. Photography by means of the Röntgen rays or other forms of radioactivity. Also skiagraphy.

"There is a pretty story of two lovers which is sometimes told as the origin of art; at all events, I may tell it here as the origin of sciagraphy."

sciagraph    radiography