'radiogram' definitions:

Definition of 'radiogram'

(from WordNet)
noun
A message transmitted by wireless telegraphy
noun
A photographic image produced on a radiosensitive surface by radiation other than visible light (especially by X-rays or gamma rays) [syn: radiogram, radiograph, shadowgraph, skiagraph, skiagram]

Synonyms of 'radiogram'

From: Moby Thesaurus