English dictionary
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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 | ||
| Synonyms | R | ||
| Broader (hypernym) | radioactivity unit | ||
| 2. | Roentgen (person) German physicist who discovered x-rays and developed roentgenography (1845-1923) | ||
| Synonyms | Rontgen, Wilhelm Konrad Roentgen, Wilhelm Konrad Rontgen | ||
| Instance hypernym | physicist | ||
Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
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Web design: Orcapia v/Per Bang. English edition: .
2024 onlineordbog.dk