shadowgraph
- n a photographic image produced on a radiosensitive surface by radiation other than visible light (especially by X-rays or gamma rays)
- Oldtimers in the audience flinched when the curtain rose to reveal a meaningless shadowgraph sequence of Japanese town life, a very un-Gilbertian interpolation.
- When Vina Delmar's Bad Girl was dramatized last season it contained one brief scene in which a childbirth was indicated by means of a shadowgraph.
- The light, flashed through a region of disturbed air, recorded on a photographic plate a "shadowgraph" showing groups of bunched air molecules.