noun
- A radioactive isotope of cesium used in radiation therapy. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). cesium 137. Retrieved September 20, 2026, from http://smartdefine.org/cesium_137/definitions/1247624 |
| Chicago | WordNet. 2010. "cesium 137" http://smartdefine.org/cesium_137/definitions/1247624 (accessed September 20, 2026). |
| Harvard | WordNet 2010, cesium 137, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/cesium_137/definitions/1247624>. |
| MLA | WordNet. "cesium 137" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/cesium_137/definitions/1247624> |