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Pronunciation: gra

Definition: The SI unit of absorbed dose of ionizing radiation, equivalent to 1 J/kg of tissue; 1 Gy = 100 rad.

Synonym(s): griseus

[Louis H. Gray, British radiologist, 1905–1965]

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.