The English term 'radiograph' means a photographic image produced on a radiosensitive surface by radiation other than visible light (especially by X-rays or gamma rays)
An image produced on a radiosensitive surface, such as a photographic film, by radiation other than visible light, especially by x-rays passed through an object or by photographing a fluoroscopic...
"Radiograph," in the case of pens, is a misnomer for the "Rapidograph" pen, made by the Koh-I-Noor company of Germany. The Rapidograph is a refillable "technical" pen used for drafting and other...