gy
as defined in Council Directive 2013/59/Euratom of 5 December 2013 laying down basic safety…, Article 4, point (1) (Definitions)
gray
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Also defined in
- Proposal for a COUNCIL DIRECTIVE laying down basic safety standards for protection against the dangers arising from… 52011PC0593, Article 4, point (143)
unit of absorbed dose. One gray is equal to one joule per kilogram: 1Gy = 1 J kg-1