noun
- A radioactive isotope of an element; produced either naturally or artificially. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). radioisotope. Retrieved September 21, 2026, from http://smartdefine.org/radioisotope/definitions/1247576 |
| Chicago | WordNet. 2010. "radioisotope" http://smartdefine.org/radioisotope/definitions/1247576 (accessed September 21, 2026). |
| Harvard | WordNet 2010, radioisotope, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/radioisotope/definitions/1247576>. |
| MLA | WordNet. "radioisotope" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/radioisotope/definitions/1247576> |