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单词 sievert
释义

sievert

[ see-vert ]
/ ˈsi vərt /

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
Compare gray2, rem.

Origin of sievert

named in honor of Swedish radiologist Rolf Maximilian Sievert (1896–1966)

Words nearby sievert

sieve, sieve cell, sieve graft, sieve of Eratosthenes, Sievers, sievert, sieve tube, sieve-tube element, Sieyès, sif, sifaka
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for sievert

  • Sievert Nielsen, whom I have mentioned elsewhere, was the fourth of my men.

    Tales of lonely trails|Zane Grey
  • Compressed air or steam is also used for fashioning very large vessels, baths, dishes and reservoirs by the “Sievert” process.

    Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 1|Various

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

Medical definitions for sievert

sievert
[ sēvərt ]

n.

A unit of ionizing radiation absorbed dose equivalent in the International System of Units, obtained as a product of the absorbed dose measure in grays and a dimensionless factor, stipulated by the International Commission on Radiological Protection, and indicating the biological effectiveness of the radiation.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

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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更新时间:2024/12/23 22:18:13