REM

REM  (rm)

n.

The rapid, periodic, jerky movement of the eyes during certain stages of the sleep cycle when dreaming takes place.

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[r(apid) e(ye) m(ovement).]

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rem  (rm)

n.

1. The amount of ionizing radiation required to produce the same biological effect as one rad of high-penetration x-rays.

2. A unit for measuring absorbed doses of radiation, equivalent to one roentgen of x-rays or gamma rays.

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[r(oentgen) e(quivalent in) m(an).]

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REM¹

abbreviation for

(Life Sciences & Allied Applications / Physiology) rapid eye movement

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REM², rem [rɛm]

n acronym for

(Physics / General Physics) roentgen equivalent man

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rem  (rm)

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.

Thesaurus

Noun	1.	REM - a recurring sleep state during which dreaming occurs; a state of rapidly shifting eye movements during sleep paradoxical sleep, rapid eye movement, rapid eye movement sleep, REM sleep sleep, slumber - a natural and periodic state of rest during which consciousness of the world is suspended; "he didn't get enough sleep last night"; "calm as a child in dreamless slumber"
	2.	REM - (Roentgen Equivalent Man) the dosage of ionizing radiation that will cause the same amount of injury to human tissue as 1 roentgen of X-rays radioactivity unit - a measure of radioactivity

Translations

REM [rem] N ABBR

1. (Physiol) =rapid eye movement → movimiento m rápido del ojo

2. (Phys) =roentgen equivalent man

REM [ˈrɛm] (=rapid eye movement)

n → MOR m

modif
REM sleep → sommeil m paradoxal

REM abbr of rapid eye movement; REM sleep → REM-Phase f