Word Study
rem
WORDNET DICTIONARY
Noun rem has 2 senses
- rem(n = noun.state) paradoxical sleep, rapid eye movement, rapid eye movement sleep, rem sleep - a recurring sleep state during which dreaming occurs; a state of rapidly shifting eye movements during sleep; Array is a kind of sleep, slumber
- rem(n = noun.quantity) Array - (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; Array is a kind of radioactivity unit
OXFORD DICTIONARY
rem, abbr. rapid eye-movement.
rem, n. (pl. same) a unit of effective absorbed dose of ionizing radiation in human tissue, equivalent to one roentgen of X-rays.
Etymology
roentgen equivalent man
For further exploring for "rem" in Webster Dictionary Online
