rem
rem / rem/ • n. (pl. same) a unit of effective absorbed dose of ionizing radiation in human tissue, equivalent to one roentgen of X-rays.
rem
rem (rem) n. a former unit dose of ionizing radiation; it was replaced by the sievert.
REM
REM
Initialism for "rapid eye movement," a physical phenomenon during which the most active, visually rich, and bizarre dreaming occurs.
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