rem

[ rem ]

/ rɛm /

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noun Nucleonics.

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

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CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?

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Question 1 of 7

Which sentence is correct?

His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

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Origin of rem

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

Words nearby rem

reluctate, reluctivity, relume, relumine, rely, rem, remain, remainder, remainderman, remains, remake

Other definitions for rem (2 of 2)

REM

[ rem ]

/ rɛm /

noun

rapid eye movement.

Origin of REM

First recorded in 1955–60

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use rem in a sentence

For instance, in active REM sleep, breathing and pulse may be irregular, and small muscular twitches are common.
The Tracker That Might Actually Help You Sleep Better|DailyBurn|October 17, 2014|DAILY BEAST
My scores for light, deep, and REM sleep were well within normal, but I still felt sleepy in the morning.
How I Finally Got to the Bottom of My Insomnia|Gregory Ferenstein|June 26, 2014|DAILY BEAST
It is the only popular consumer technology to measure both REM (which restores the mind) and deep sleep (which restores the body).
How I Finally Got to the Bottom of My Insomnia|Gregory Ferenstein|June 26, 2014|DAILY BEAST
But I suppose a kind of longstanding love of specific bands would be Radiohead, Wilco, Neil Young, Tom Waits, REM.
Toni Collette on ‘The Realistic Joneses,’‘Lucky Them,’ and Crying in ‘The Sixth Sense’|Melissa Leon|June 1, 2014|DAILY BEAST

The most recent service opened with the REM song “Everybody Hurts.”
Atheist Ex-Pastor Jerry DeWitt’s Mission to Red America|David Masciotra|November 17, 2013|DAILY BEAST
Terti quonam in statu rem Christianam in his terris offenderimus.
The Jesuit Relations and Allied Documents, Vol. II: Acadia, 1612-1614|Various
Seqvitvr iam ex initio propositis tertium, nimirum vt exponatur, quonam tand loco rem Christianam his in locis offenderimus.
The Jesuit Relations and Allied Documents, Vol. II: Acadia, 1612-1614|Various
Quonam in statu rem Christianam his in locis offenderit Societas.
The Jesuit Relations and Allied Documents, Vol. II: Acadia, 1612-1614|Various
Qui sonus ad aures nostras ideo non peruenit, quia vltra rem fit':—a sufficient reason.
Chaucer's Works, Volume 1 (of 7) -- Romaunt of the Rose; Minor Poems|Geoffrey Chaucer
This is indeed keeping to the Text-Rem rem quocunque modo rem.
An Account of the Growth of Deism in England|William Stephens

British Dictionary definitions for rem (1 of 2)

REM¹

abbreviation for

rapid eye movement

British Dictionary definitions for rem (2 of 2)

REM²

rem

/ (rɛm) /

n acronym for

roentgen equivalent man

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for rem

rem

[ rĕm ]

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.

Cultural definitions for rem

rem

An acronym for roentgen equivalent man. A unit of absorbed doses of radiation.

notes for rem

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