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 sievertnamed in honor of Swedish radiologist Rolf Maximilian Sievert (1896–1966) Words nearby sievertsieve, 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
British Dictionary definitions for sievertsievert / (ˈsiːvət) / nounthe 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 sievertC20: 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 sievertsievert [ sē′vərt ] 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 sievertsievert [ sē′vərt ] 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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