[ mil-uh-rent-guh n, -juh n, -ruhnt- ]
/ ˈmɪl əˌrɛnt gən, -dʒən, -ˌrʌnt- /
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
Words nearby milliroentgen
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
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