noun
- Heavy radioactive isotope of iodine with a half-life of 8 days; used in a sodium salt to diagnose thyroid disease and to treat goiter. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). iodine-131. Retrieved September 21, 2026, from http://smartdefine.org/iodine-131/definitions/1247651 |
| Chicago | WordNet. 2010. "iodine-131" http://smartdefine.org/iodine-131/definitions/1247651 (accessed September 21, 2026). |
| Harvard | WordNet 2010, iodine-131, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/iodine-131/definitions/1247651>. |
| MLA | WordNet. "iodine-131" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/iodine-131/definitions/1247651> |