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Noun: röntgen  rúnt-jun
  1. A unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air
    "Early X-ray machines were calibrated in röntgens";
    - roentgen, R
Noun: Röntgen
  1. German physicist who discovered x-rays and developed roentgenography (1845-1923)
    - Roentgen, Wilhelm Konrad Roentgen, Wilhelm Konrad Röntgen

Derived forms: röntgens

Type of: physicist, radioactivity unit

Encyclopedia: Röntgen, Wilhelm