Any of the radioisotopes of iodine, especially I131, I125, or I123, used as tracers in biology and medicine.
The Wonder-ful Nature of Greek God NamesBatman lurks like a bat in the shadows. Spider-Man slings webs like a radioactive spider. Superman is a literal translation of Friedrich Nietszche’s term ubermensch. And Wonder Woman is…well, what does Wonder Woman’s name tell us about her? A lot, it turns out. When William Moulton Marston created Wonder Woman in the early 1940s, he made her not just Diana, an Amazon princess, but also …
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.