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rem
1[ rem ]
noun
, Nucleonics.
- the quantity of ionizing radiation whose biological effect is equal to that produced by one roentgen of x-rays.
REM
2[ rem ]
noun
REM
1abbreviation for
- rapid eye movement
REM
2/ rɛm /
acronym for
- roentgen equivalent man
rem
/ rĕm /
- The amount of ionizing radiation required to produce the same biological effect as one rad of high-penetration x-rays. The rem has been replaced in most scientific contexts by the sievert.
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Notes
A normal medical x-ray delivers about 0.02 rem; a fatal dose of radiation is several thousand rem.
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Word History and Origins
Origin of rem1
1945–50; r(oentgen) e(quivalent in) m(an)
Origin of rem2
First recorded in 1955–60
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Example Sentences
In 2008, R.E.M. roared back to life with the well-received Accelerate.
From The Daily Beast
But unlike so many rock-group breakups before, R.E.M. managed to sidestep cliché even while parting company.
From The Daily Beast
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