rem

¹

[rem]

noun

Nucleonics.

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

REM

²

[rem]

noun

1. rapid eye movement.

REM

¹

abbreviation

1. rapid eye movement

REM

²

/ rɛm /

acronym

1. roentgen equivalent man

rem

1. 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

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

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

Word History and Origins

Origin of rem¹

1945–50; r(oentgen) e(quivalent in) m(an)

Origin of rem²

First recorded in 1955–60

Example Sentences

Dutch architect and theorist Rem Koolhaas might have part of the answer.

From Salon

The second season’s opening episodes drag like an inescapable, non-refreshing REM state.

From Salon

Brothers Noel and Liam Gallagher will be joined on stage by Gem Archer, Paul "Bonehead" Arthurs and Andy Bell, all former members of Oasis, alongside drummer Joey Waronker, who has previously recorded with Beck and REM; and toured with Liam.

From BBC

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

From Los Angeles Times

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

From Salon