roentgen equivalent man


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Related to roentgen equivalent man: mrem

roentgen equivalent man

n
(Units) the dose of ionizing radiation that produces the same effect in man as one roentgen of x- or gamma-radiation. Abbreviation: REM or Abbreviationrem
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* Radiation exposure to humans is often measured by a unit known as "roentgen equivalent man," or rem.
If a scientist is measuring a person's biological risk of suffering health effects of radiation, the units of measurement are the conventional Roentgen equivalent man (rem).
If an astronaut had been on the moon at the time, they might have received a 400 rem (Roentgen Equivalent man) radiation dose.