This shows grade level based on the word's complexity.
iodine 131
Save This Word!
This shows grade level based on the word's complexity.
noun Chemistry.
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.
QUIZ
QUIZ YOURSELF ON "IS" VS. "ARE"
"Is" it time for a new quiz? "Are" you ready? Then prove your excellent skills on using "is" vs. "are."
Question 1 of 7
IS and ARE are both forms of which verb?
Compare radioiodine.
Words nearby iodine 131
iodimetry, iodinate, iodine, iodine-123, iodine-125, iodine 131, iodine-fast, iodine-induced hyperthyroidism, iodine stain, iodinophil, iodinophilous
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use iodine 131 in a sentence
Medical definitions for iodine 131
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.