English

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Alternative forms

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Etymology

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milli- +‎ roentgen

Noun

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milliroentgen (plural milliroentgens or milliroentgen)

  1. A unit of exposure to ionizing radiation, one thousandth of a roentgen.
    • 2007 November 8, “Radioactive Dumping Is Reported in Congo”, in New York Times[1]:
      Mineral residue tested on the bridge and on the banks of the river found levels of radioactivity as high as 10 milliroentgen per hour, about 33 times what Congo considers a tolerable limit.