Rem (Noun)
Meaning 1
A recurring sleep state during which dreaming occurs; a state of rapidly shifting eye movements during sleep.
Classification
Nouns denoting natural processes.
Synonyms
Hypernyms
Meaning 2
(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.
Classification
Nouns denoting quantities and units of measure.