Synonyms for roentgen
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- 1. roentgen, R, radioactivity unit
- usage: a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air
- 2. Roentgen, Wilhelm Konrad Roentgen, Rontgen, Wilhelm Konrad Rontgen
- usage: German physicist who discovered x-rays and developed roentgenography (1845-1923)