milliröntgen

Noun

milliroentgen (plural milliroentgens or milliroentgen)

1. A unit of exposure to ionizing radiation, one thousandth of a roentgen.
   • 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.2007 November 8, “Radioactive Dumping Is Reported in Congo”, in New York Times