Dictionary.com Unabridged
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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|
Link To rem
00:10
Rem
is always a great word to know.
So is ort. Does it mean:
| a scrap or morsel of food left at a meal. |
| a chattering or flighty, light-headed person. |
Collins
World English Dictionary
| REM1 | |
| —abbreviation for | |
| rapid eye movement | |
REM or rem2 (rɛm) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n acronym for | |
| roentgen equivalent man | |
| rem or rem2 | |
| —n acronym for | |
| REM or rem2 (rɛm) | |
| —n acronym for | |
| roentgen equivalent man | |
| rem or rem2 | |
| —n acronym for | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History
rem
"unit for measuring radiation," 1947, acronym of roentgen equivalent man.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary
rem (rěm)
n.
The amount of ionizing radiation required to produce the same biological effect as one rad of high-penetration x-rays.
REM abbr.
rapid eye movement
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
rem  (rěm) Pronunciation Key
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. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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FOLDOC
American Heritage
Abbreviations & Acronyms
| rem roentgen equivalent in man |
REM
|
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Encyclopedia Britannica
Encyclopedia
rem
unit of radiation dosage (such as from X rays) applied to humans. Derived from the phrase Roentgen equivalent man, the rem is now defined as the dosage in rads that will cause the same amount of biological injury as one rad of X rays or gamma rays. Formerly poorly defined, the rem was redefined in 1962 to clarify the usage of the term relative biological effectiveness (RBE) in both radiobiology and radiation protection
Learn more about rem with a free trial on Britannica.com.
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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