sievert [see-vert] ExamplesWord Origin noun Physics.

  1. 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) Examples from the Web for sievert Historical Examples of 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


  • British Dictionary definitions for sievert sievert noun

    1. the derived SI unit of dose equivalent, equal to 1 joule per kilogram. 1 sievert is equivalent to 100 remsSymbol: Sv
    2. (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 sievert in Medicine sievert [sē′vərt] n.

    1. 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.

    sievert in Science sievert [sē′vərt]

    1. 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).

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