Definitions for roentgen
Overview of noun roentgen
The noun roentgen has 2 senses? (no senses from tagged texts)
1. 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)
2. Roentgen, Wilhelm Konrad Roentgen, Rontgen, Wilhelm Konrad Rontgen
(German physicist who discovered x-rays and developed roentgenography (1845-1923))
