roentgen
1. [ noun ] (physics) German physicist who discovered x-rays and developed roentgenography (1845-1923)
Synonyms: wilhelm_konrad_roentgen wilhelm_konrad_rontgen rontgen rontgin
Related terms: physicist
2. [ noun ] (physics) 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
Related terms: radioactivity_unit
Similar spelling:   rontgen
  rontgin