rem

[ rem ]

Phonetic (Standard)IPA

noun

Nucleonics.

the quantity of ionizing radiation whose biological effect is equal to that produced by one roentgen of x-rays.

REM

[ rem ]

Phonetic (Standard)IPA

noun

rapid eye movement.

REM

abbreviation for

rapid eye movement

REM

/ ��ɛ�� /

acronym for

roentgen equivalent man

rem

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.

rem

An acronym for r oentgen e quivalent m an. A unit of absorbed doses of radiation .

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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

Examples have not been reviewed.

Finally, record executive Lenny Waronker, who helped develop acts like Madonna, REM and Prince, will receive the Ahmet Ertegun award, given to non-performers who have had a major influence on rock music.

From

Alcohol delays the first episode of REM sleep — and reduces the subsequent amount of REM sleep you get throughout the night.

From

This is significant, as REM sleep – sometimes called "dreaming sleep" — is thought to be important for memory and regulating emotions.

From

Disturbed REM sleep can also lead to impairments in the consolidation of memories, cognitive function and how you regulate your emotions.

From

Jan Rem of Ojai is a gardener who felt uneasy about storing her produce in plastic bags.

From

rely remain

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