Definitions for rem
Overview of noun rem
The noun rem has 2 senses? (no senses from tagged texts)
1. paradoxical sleep, rapid eye movement sleep, REM sleep, rapid eye movement, REM
(a recurring sleep state during which dreaming occurs; a state of rapidly shifting eye movements during sleep)
2. REM
((Roentgen Equivalent Man) the dosage of ionizing radiation that will cause the same amount of injury to human tissue as 1 roentgen of X-rays)
