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abstraction > mathematical concept > unit > radioactivity unit > gray
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gray comparison table
Subject is an acronym for has base unit has unit has symbol represent is a kind of is an instance of is a unit of
named derived SI unitSyteme Internationaledefined in terms of the seven SI base units via a system of quantity equationsdefined in terms of derived SI unit via a system of quantity equations  derived SI unit  
radioactivity unit     unit radioactivity
graySyteme Internationalem2·s-2J·kg-1Gyabsorbed dose, specific energy (imparted), kerma named derived SI unitradioactivity

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