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English noun: roentgen

1. roentgen (quantity) a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air


SynonymsR


Broader (hypernym)radioactivity unit

2. Roentgen (person) German physicist who discovered x-rays and developed roentgenography (1845-1923)


SynonymsRontgen, Wilhelm Konrad Roentgen, Wilhelm Konrad Rontgen


Instance hypernymphysicist









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