Try Our Apps
Dictionary.com

follow Dictionary.com

Words You've Been Using Wrong

iodine 131

noun, Chemistry.
1.
a radioactive isotope of iodine having a mass number 131 and a half-life of 8.6 days, used in the diagnosis and treatment of disorders of the thyroid gland.
Compare radioiodine.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
Cite This Source
iodine-131 in Medicine

iodine-131 n.
A radioisotope of iodine that emits beta and gamma rays, has a half-life of 8.05 days, and is used as a tracer in thyroid studies and as therapy in hyperthyroidism and thyroid cancer.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of the Day

Nearby words for iodine-131

Word Value for iodine

7
8
Scrabble Words With Friends