'REM' definitions:

Definition of 'REM'

From: WordNet
noun
A recurring sleep state during which dreaming occurs; a state of rapidly shifting eye movements during sleep [syn: paradoxical sleep, rapid eye movement sleep, REM sleep, rapid eye movement, REM]
noun
(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

Acronyms for 'REM'

From: V.E.R.A.
  • Remote Equipment Module
  • Ring Error Monitor