n.
Function: noun
Etymology: r oentgen e quivalent p hysical
Date: 1947
: the dosage of an ionizing radiation that will develop the same amount of energy upon absorption in human tissue as one roentgen of X-ray or gamma-ray exposure
n.
Function: noun
Etymology: r oentgen e quivalent p hysical
Date: 1947
: the dosage of an ionizing radiation that will develop the same amount of energy upon absorption in human tissue as one roentgen of X-ray or gamma-ray exposure
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012