from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A picture or photograph made up of shadows or outlines.
- n. See radiograph.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A picture or image created from shadows, especially with X-rays.
from The Century Dictionary and Cyclopedia
- n. Same as sciagram.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a photographic image produced on a radiosensitive surface by radiation other than visible light (especially by X-rays or gamma rays)
Greek skiā, shadow + -gram.(American Heritage® Dictionary of the English Language, Fourth Edition)