radiogram
ra·diog·ram
noun
1.
2.
a photographic image produced on a radiosensitive surface by radiation other than visible light (especially by X-rays or gamma rays)
Origin
Probably either: * from radio- (prefix denoting radio broadcasting) + -gram (suffix denoting something drawn, written, or otherwise recorded); or * a clipping of radio(tele)gram.
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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.