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1. A picture or photograph made up of shadows or outlines.
2. See radiograph.
[Greek skiā, shadow + -gram.]
a picture made by outlining and shading a subject's shadow.
[1795–1805; < Greek skia shadow + -gram1]
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|Noun||1.||skiagram - a photographic image produced on a radiosensitive surface by radiation other than visible light (especially by X-rays or gamma rays)|
autoradiograph - a radiogram produced by radiation emitted by the specimen being photographed
photo, photograph, pic, exposure, picture - a representation of a person or scene in the form of a print or transparent slide; recorded by a camera on light-sensitive material