Definition of sievert in English:

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sievert

Pronunciation: /ˈsiːvət/
(abbreviation Sv)

noun

Physics
The SI unit of dose equivalent (the biological effect of ionizing radiation), equal to an effective dose of a joule of energy per kilogram of recipient mass.
Example sentences
  • The potential for radiation to cause biological damage is called the dose equivalent, which is measured in rems or sieverts, where 1 sievert equals 100 rems.
  • All doses are expressed as dose equivalents in sieverts (Sv).
  • Radiation from a tiny particle of, say, plutonium is averaged over the entire body to give a dosage in units of (milli-) sieverts.

Origin

1940s: named after Rolf M. Sievert (1896–1966), Swedish physicist.

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