add. ·vt to make a radiograph of.
2. radiograph ·add. ·noun an instrument for measuring and recording solar radiation.
3. radiograph ·noun a picture produced by the rontgen rays upon a sensitive surface, photographic or fluorescent, especially a picture of opaque objects traversed by the rays.
4. radiograph ·add. ·noun an image or picture produced upon a sensitive surface, as of a photographic plate, by some form of radiation other than light, as the rontgen rays, radium rays, ·etc.; ·esp., a picture of opaque objects traversed by the rays; a skiagraph.