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Related to gray: Gray code, gray matter

gray

 [gra]
the SI unit of absorbed radiation dose, defined as the transfer of 1 joule of energy per kilogram of absorbing material (1 J/kg); 1 gray equals 100 rads.

gray (Gy),

(grā),
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]
Radiation oncology noun The SI unit for radiation, based on actual radiation absorption, as measured by a thermoluminescent dosimeter placed within a patient or a phantom; 1 Gy is equal to 1 joule/kg of absorber, roughly equivalent to 100 rads
Vox populi adjective Referring to an older person, usually at or near the age of retirement

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

gray

(grā)
The SI unit of absorbed dose of ionizing radiation, equivalent to 1 J/kg of tissue; 1 Gy = 100 rad.
[Louis H. Gray, British radiologist, 1905-1965]

gray

A unit of absorbed dose of radiation equal to an energy absorption of 1 Joule per kilogram of irradiated material. 1 Gy is equivalent to 100 RADS. In radiotherapy, radiation is commonly applied to the area of the tumour in a dosage of around 2 Gy a day, five days a week for periods of 3–6 weeks.

gray

(Gy) (grā)
The SI unit of absorbed dose of ionizing radiation, equivalent to 1 J/kg of tissue; 1 Gy = 100 rad.
[Louis H. Gray, British radiologist, 1905-1965]
References in periodicals archive ?
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21 August 2018 - US-based broadcast media company Gray Television, Inc.
Gray Television and Raycom Media announced that they have entered into an agreement to combine their companies in a transaction that will create the single largest owner of top-rated local television stations and digital assets in the country.
Smoking has also been associated with gray hair and baldness in recent studies.
A Wellness Update | Tribune News Service Although the thought of ageing and going gray may be daunting, an expert at Baylor College of Medicine says there are several factors that play a role in developing gray hair.
Lawyer-regulators charged Linda Gray of Oleniczak & Gray in June with one count of misconduct.
Gray is taking the interior design industry by storm according to The Washington Post real estate section.
Gray and Schurz have entered into a proposed consent decree with the DOJ that requires the divestiture of television stations in the Wichita, Kansas, and South Bend, Indiana, markets.
Is it true that plucking gray hairs will cause more grays to grow?