millirad

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millirad

 (mrad) [mil´ĭ-rad]
one thousandth (10−3) of a rad.

millirad (mrad)

[-rad]
a unit of absorbed dose of ionizing radiation equal to one thousandth (10-3) of a rad. See also rad.

millirad

a non-SI unit of dosage of absorbed radiation, 10−3 rad; abbreviated mrad. Now replaced by gray.