sievert

noun
sie·​vert | \ ˈsē-vərt How to pronounce sievert (audio) \

Definition of sievert

: an SI unit for the dosage of ionizing radiation equal to 100 rems

Examples of sievert in a Sentence

Recent Examples on the Web The sievert is a unit that measures the amount of radiation absorbed by a person—while accounting for the type of radiation and its impact on particular organs and tissues in the body—and is equivalent to one joule of energy per kilogram of mass. Ramin Skibba, Scientific American, 14 July 2021 One millisievert—a thousandth of a sievert—will have no effect; a chest CAT scan, for example, delivers a dose of seven millisieverts. Carolyn Kormann, The New Yorker, 22 Dec. 2019 The unit of measurement for the impact of ionizing radiation on a person’s health is called a sievert. Carolyn Kormann, The New Yorker, 22 Dec. 2019 One million microsieverts is equal to 1 sievert, the unit used to measure radiation and quantify the amount absorbed by the body. Eric Cheung And Yoko Wakatsuki, CNN, 5 Dec. 2019 Exposure to 10 sieverts will lead to person’s death within weeks, reports McCurry. Jason Daley, Smithsonian, 6 Feb. 2017 The previous high in the reactor was 73 sieverts recorded in 2012, reports The Japan Times. Jason Daley, Smithsonian, 6 Feb. 2017 The robot used Wednesday was designed to tolerate radiation of up to 200 sieverts — a level that can kill humans instantly. Washington Post, 19 July 2017 One sievert—the international measurement of radiation exposure—is enough to cause radiation sickness, infertility and cataracts. Jason Daley, Smithsonian, 6 Feb. 2017 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sievert.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of sievert

1945, in the meaning defined above

History and Etymology for sievert

Rolf Maximilian Sievert †1966 Swedish radiologist

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Time Traveler for sievert

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The first known use of sievert was in 1945

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Dictionary Entries Near sievert

Sieversia

sievert

sieve tissue

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Cite this Entry

“Sievert.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sievert. Accessed 28 Sep. 2022.

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More Definitions for sievert

sievert

noun
sie·​vert | \ ˈsē-vərt How to pronounce sievert (audio) \

Medical Definition of sievert

: an SI unit for the dosage of ionizing radiation equal to 100 rems abbreviation Sv

More from Merriam-Webster on sievert

Britannica.com: Encyclopedia article about sievert

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