| Engelsk navneord: roentgen ray | |||
| 1. | roentgen ray (om fænomen) electromagnetic radiation of short wavelength produced when high-speed electrons strike a solid target | ||
| Termer med samme betydning (synonymer) | X ray, X-radiation, X-ray | ||
| Mindre specifikke termer | electromagnetic radiation, electromagnetic wave, ionizing radiation, nonparticulate radiation | ||