[rey-dee-oh-ahy-uh-dahyn, -din, -deen]
noun Chemistry.
any of nine radioisotopes of iodine, especially iodine 131 and iodine 125, used as radioactive tracers in research and clinical diagnosis and treatment.

1935–40; radio- + iodine Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To radio-iodine
American Heritage
Medical Dictionary

radioiodine ra·di·o·i·o·dine (rā'dē-ō-ī'ə-dīn')
A radioactive isotope of iodine widely used as a tracer.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Copyright © 2014, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature