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rem

noun \ ˈrem \

Definition of rem

: the dosage of an ionizing radiation that will cause the same biological effect as one roentgen of X-ray or gamma-ray exposure

Origin and Etymology of rem

roentgen equivalent man

REM

noun \ ˈrem , ˌär-ˌē-ˈem \

Definition of REM

: rapid eye movement

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First Known Use of rem

1957

in the meaning defined above

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Medical Dictionary

rem

noun \ ˈrem \

medical Definition of rem

: 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

: rapid eye movement

Learn More about rem

  1. Britannica.com: Encyclopedia article about rem

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