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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/ ɛ /
acronym for
- roentgen equivalent man
rem
/ ĕ /
- 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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51Թ 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
Examples have not been reviewed.
Alcohol delays the first episode of REM sleep — and reduces the subsequent amount of REM sleep you get throughout the night.
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This is significant, as REM sleep – sometimes called "dreaming sleep" — is thought to be important for memory and regulating emotions.
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Disturbed REM sleep can also lead to impairments in the consolidation of memories, cognitive function and how you regulate your emotions.
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Jan Rem of Ojai is a gardener who felt uneasy about storing her produce in plastic bags.
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Rem uses a heavier-weight linen to keep berries firm and mushrooms from turning to slime.
From
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