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Gray

   Also found in: Dictionary/thesaurus, Financial, Idioms, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
gray (gra)
1. of a hue between white and black.
2. a unit of absorbed radiation dose equal to 100 rads. Abbreviated Gy.

Gray, Henry 1825?-1861.
British anatomist whose work Anatomy, Descriptive and Surgical (1858), known as Gray's Anatomy, remains a standard text.

gray (gr)
n. Abbr. Gy
A unit for a specific absorbed dose of radiation equal to 100 rads.

Gray (Gy),
n a unit of measurement for an absorbed dose of radiation, from the French
Systéme International d'Unités; converts to the traditional rad by the formula 100 rad = 1 Gy.

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