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sievert

[ see-vert ]
/ ˈsi vərt /
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noun Physics.
the standard unit in the International System of Units (SI) of dose equivalent having the same biological effect as one joule of x-rays per kilogram of recipient mass (or one gray): The average person receives about 2 to 3 one-thousandths of a sievert per year from naturally occurring radiation in the environment.Abbreviation: Sv
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THINGAMABOB OR THINGUMMY: CAN YOU DISTINGUISH BETWEEN THE US AND UK TERMS IN THIS QUIZ?
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In the UK, COTTON CANDY is more commonly known as…
Compare gray2, rem.

Origin of sievert

Named in honor of Swedish radiologist Rolf Maximilian Sievert (1896–1966)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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British Dictionary definitions for sievert

sievert
/ (ˈsiːvət) /

noun
the derived SI unit of dose equivalent, equal to 1 joule per kilogram. 1 sievert is equivalent to 100 remsSymbol: Sv
(formerly) a unit of gamma radiation dose approximately equal to 8.4 × 10 –2 gray

Word Origin for sievert

C20: named after Rolf Sievert (1896–1966), Swedish physicist
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for sievert

sievert
[ sēvərt ]

The SI derived unit used to measure the amount of radiation necessary to produce the same effect on living tissue as one gray of high-penetration x-rays. The sievert is named after Swedish physicist Rolf Sievert (1896-1966).
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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