roentgen   (TTS Sound)

The noun roentgen has 2 senses

• roentgen, R -- (a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air)


• Roentgen, Wilhelm Konrad Roentgen, Rontgen, Wilhelm Konrad Rontgen -- (German physicist who discovered x-rays and developed roentgenography (1845-1923))