The gray (symbol: Gy) is the unit of ionizing radiation dose in the International System of Units (SI), defined as the absorption of one joule of radiation energy per kilogram of matter.

The gray (symbol: Gy) is a derived unit of ionizing radiation dose in the International System of Units (SI). It is defined as the absorption of one joule of radiation energy by one kilogram of...

One gray (Gy) is the international system of units (SI) equivalent of 100 rads, which is equal to an absorbed dose of 1 Joule/kilogram. An absorbed dose of 0.01 Gy means that 1 gram of material …

Dec 2, 2025 · gray (Gy): The new international system (SI) unit of radiation dose, expressed as absorbed energy per unit mass of tissue. The SI unit "gray" has replaced the older "rad" designation. …

Dec 14, 2019 · The absorbed dose is usually measured in a unit called the gray (Gy), which is derived from the SI system. The non-SI unit rad is sometimes also used, predominantly in the USA.

Mar 21, 2025 · The gray (symbol Gy) is the SI unit of absorbed dose. It is defined as the absorption of one joule of energy originating from ionizing radiation per kilogram of matter 1,2, i.e. Gy = 1 J/kg.

What does the abbreviation GY stand for? Meaning: gray.

The gray (symbol Gy) is the SI Unit used to show how much ionizing radiation someone has been exposed to. It measures how much energy has been deposited, or left behind, in someone. It is used …

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Gy Definitions of Gy noun the SI unit of energy absorbed from ionizing radiation; equal to the absorption of one joule of radiation energy by one kilogram of matter; one gray equals 100 rad