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\ ˈrem 
\
\Definition of rem
(Entry 1 of 2)
: the dosage of an ionizing radiation that will cause the same biological effect as one roentgen of X-ray or gamma-ray exposure
REM
noun (2)\ ˈrem , ˌär-ˌē-ˈem \
, ˌär-ˌē-ˈem \Definition of REM (Entry 2 of 2)
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More Definitions for rem
rem
noun\ ˈrem \
\Medical Definition of rem
(Entry 1 of 2)
: the dosage of an ionizing radiation that will cause the same biological effect as one roentgen of X-ray or gamma-ray dosage — compare rep
REM
noun\ ˈrem \
\Medical Definition of REM (Entry 2 of 2)
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Time Traveler for rem
The first known use of rem was in 1947
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