gray (gra)
gray (Gy),
Gray (Gy),
gray
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),
the SI unit of absorbed radiation dose. One gray equals the energy equivalent of 1 J/kg of matter; 1 Gy equals 100 rad. See also radiation absorbed dose.
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.
Systéme International d'Unités; converts to the traditional rad by the formula 100 rad = 1 Gy.
gray
Gy Radiation physics The SI unit for radiation, based on actual radiation absorption, as measured by a thermoluminescent dosimeter placed within a Pt or a phantom; 1 Gy is equal to 1 joule/kg of absorber–100 rads
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