roentgen Meaning, Definition & Usage

  1. noun a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air
    R.
  2. noun German physicist who discovered x-rays and developed roentgenography (1845-1923)
    Wilhelm Konrad Roentgen; Rontgen; Wilhelm Konrad Rontgen.

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