rem

[rem] /rɛm/
noun, Nucleonics.
1.
the quantity of ionizing radiation whose biological effect is equal to that produced by one roentgen of x-rays.
Origin
1945-50; r(oentgen) e(quivalent in) m(an)

REM

[rem] /rɛm/
noun
1.
rapid eye movement.
Origin
1955-60
British Dictionary definitions for rem

REM1

abbreviation
1.
rapid eye movement

REM2

/rɛm/
noun acronym
1.
roentgen equivalent man
Word Origin and History for rem
n.

"unit for measuring radiation," 1947, acronym of roentgen equivalent man.

rem in Medicine

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

rem in Science
rem
  (rěm)   
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 in Culture

rem definition


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

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

programming
(From "remark") The keyword used in BASIC to introduce a comment (which continues to the end of the line). MS-DOS probably borrowed it from BASIC. Might be used in the form "REM out" meaning to comment out.
(1998-04-27)

Related Abbreviations for rem

rem

roentgen equivalent in man

REM

  1. rapid eye movement
  2. remark
Encyclopedia Article for 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

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