centigray(redirected from Gray (unit))
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Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
centigrayA unit of radioactivity used in RADIOTHERAPY. A gray is the energy absorption of 1 joule per kg of irradiated material. 1 gy is equivalent to 100 rads so 1 centigray is equivalent to 1 rad (radiation absorbed dose).
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005