roentgen

Noun
  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 (synset 113667510)
    is a type of: radioactivity unit - a measure of radioactivity
    same as: r
  2. German physicist who discovered x-rays and developed roentgenography (1845-1923) (synset 111288316)
    is an instance of: physicist - a scientist trained in physics
    same as: rontgen, wilhelm konrad roentgen, wilhelm konrad rontgen

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