Definitions for



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))

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