MedicineNet.com
About Us | Privacy Policy | Site Map
February 10, 2010
MedicineNet home Picture Slideshows Diseases and conditions Symptoms and signs Procedures and tests Medications Picture Image Collection MedTerms medical dictionary Pet Health
home > gray definition
Font Size
A
A
A

Definition of Gray

Gray: A unit of absorbed radiation equal to the dose of one joule of energy absorbed per kilogram of matter, or 100 rad. The unit is named for the British physician L. Harold Gray (1905-1965), an authority on the use of radiation in the treatment of cancer. The abbreviation for a gray is Gy. See also: Milligray.

Gray is, of course, also a hue between black and white.


Last Editorial Review: 4/28/2004

Search All of MedicineNet For:
  


Printer-Friendly Format  |  Email to a Friend

Back to MedTerms online medical dictionary A-Z List

Privacy Policy

Women's Health

Find out what women really need.

Are you Depressed? Take the Quiz

Your Guide to Symptoms & Signs: Pinpoint Your Pain


From WebMD

Featured Centers
Health Solutions From Our Sponsors


MedicineNet Authored

Webster's New World
Medical Dictionary
Learn more »

Webster's New World Medical Dictionary

MedTerms Medical Word
of the Day XML







Health categories:

Slideshows | Diseases & Conditions | Symptoms & Signs | Procedures & Tests | Medications | Image Collection | Medical Dictionary | Pet Health

Popular health centers:

Allergies | Arthritis | Blood Pressure | Cancer | Chronic Pain | Cold & Flu | Diabetes | Digestion | Eyesight | Health & Living | Healthy Kids

Hearing & Ear | Heart | Infectious Disease | Men's Health | Mental Health | News & Views | Pregnancy | Sexual Health | Skin | Women's Health | More...

MedicineNet.com:

About Us | Newsletters | RSS Feeds | Privacy Policy | Site Map | WebMD® | Medscape® | eMedicine® | eMedicineHealth® | RxList®

This website is certified by Health On the Net Foundation. Click to verify. This site complies to the HONcode standard for trustworthy health information:
verify here.

©1996-2010 MedicineNet, Inc. All rights reserved. Notices and Legal Disclaimer.
MedicineNet does not provide medical advice, diagnosis or treatment. See additional information.