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Noun: milliroentgen
  1. A unit of exposure to ionizing radiation, one thousandth of a roentgen.
    "The typical exposure to normal background radiation for a human being is about 200 milliroentgens per year, or about 23 microroentgens per hour."

Derived forms: milliroentgens

Type of: radioactivity unit

Part of: R, roentgen, röntgen

Encyclopedia: Milliroentgen