释义 |
Noun: röntgen- 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, R Noun: Röntgen- German physicist who discovered x-rays and developed roentgenography (1845-1923)
- Roentgen, Wilhelm Konrad Roentgen, Wilhelm Konrad Röntgen
Derived forms: röntgens Type of: physicist, radioactivity unit |