REM


Meaning of REM in English

transcription, транскрипция: [ ˈrem ]

noun

Etymology: r oentgen e quivalent m an

Date: 1947

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

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.