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milliroentgen

[ mil-uh-rent-guhn, -juhn, -ruhnt- ]
/ ˈmɪl əˌrɛnt gən, -dʒən, -ˌrʌnt- /
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noun

a unit of radiation equal to one thousandth of a roentgen. Abbreviation: mR, mr

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Origin of milliroentgen

1950–55; milli- + roentgen
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for milliroentgen

  • A one-hour visit to the inner fenced area will result in a whole body exposure of one-half to one milliroentgen.

    Trinity [Atomic test] Site|White Sands Missile Range Public Affairs Office
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