• word of the day

    roentgen

    roentgen - Dictionary definition and meaning for word roentgen

    Definition
    (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
    Synonyms : r
    Definition
    (noun) German physicist who discovered x-rays and developed roentgenography (1845-1923)
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