- radiography, skiagraphy - the process of making a radiograph; producing an image on a radiosensitive surface by radiation other than visible light
--1 is a kind of photography
--1 has particulars: autoradiography - radiography - photography that uses other kinds of radiation than visible light
--2 is a kind of photography, picture taking
--2 has particulars: roentgenography, X-ray photography; xeroradiography