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REM

2 ENTRIES FOUND:
REM /ˈrɛm/ /ˌɑɚˌiːˈɛm/ noun
REM
/ˈrɛm/ /ˌɑɚˌiːˈɛm/
noun
Learner's definition of REM
[noncount]

rem

1 of 2

noun (1)

: the dosage of an ionizing radiation that will cause the same biological effect as one roentgen of X-ray or gamma-ray exposure

REM

2 of 2

noun (2)

ˈrem How to pronounce REM (audio)
ˌär-ˌē-ˈem

Word History

Etymology

Noun (1)

roentgen equivalent man

First Known Use

Noun (1)

1947, in the meaning defined above

Noun (2)

1957, in the meaning defined above

Time Traveler
The first known use of rem was in 1947

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