REM Definition & Meaning | Dictionary.com

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

rapid eye movement

REM

/ ��ɛ�� /

acronym

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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A normal medical x-ray delivers about 0.02 rem; a fatal dose of radiation is several thousand rem.

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51�Թ� 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.

Let me get real deep real quick before I go into this REM sleep.

From

A variety of metrics are typically used to measure REM sleep, including eye movement.

From

“People get really excited or upset about how much REM sleep they are getting or how much deep sleep they are getting and if that matches up to what they are ‘supposed’ to be getting,” Goldstein said.

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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.

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

From

rely remain

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