the derived SI unit of dose equivalent, equal to 1 joule per kilogram. 1 sievert is equivalent to 100 rems
Symbol: Sv
2.
(formerly) a unit of gamma radiation dose approximately equal to 8.4 × 10–2 gray
Word origin
C20: named after Rolf Sievert (1896–1966), Swedish physicist
sievert in American English
(ˈsivərt)
noun
the basic unit in the SI system that is used to measure the amount of biological damage caused by various types of ionizing radiation, equal to the dose that produces the same amount of damage in human tissue as one gray of X-rays (100 rem or 8.38 roentgens)