(noun, verb)


1. a photographic image produced on a radiosensitive surface by radiation other than visible light (especially by X-rays or gamma rays)

Similar word(s): radiogram, radiograph, skiagram, skiagraph

Definition categories: man–made, exposure, photo, photograph, pic, picture


1. (transitive) To outline in a shadow-picture on a screen.

2. (photography) To take a picture by means of X-ray, radium, or similar source of actinic radiation.