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Definition of millirem
: one thousandth of a rem
From the M-W Editors
Recent Examples of millirem from the Web
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The scanner peers inside the human body by sweeping a person with a .3 millirem X-ray.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'millirem.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of millirem
1947
Medical Dictionary
millirem
play
noun
mil·li·rem
\ˈmil-ə-ˌrem\
Medical Definition of millirem
: one thousandth of a rem—abbreviation mrem
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