noun
- The rare-earth elements with atomic numbers 57 through 71; having properties similar to lanthanum. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). lanthanide series. Retrieved September 23, 2026, from http://smartdefine.org/lanthanide_series/definitions/1247595 |
| Chicago | WordNet. 2010. "lanthanide series" http://smartdefine.org/lanthanide_series/definitions/1247595 (accessed September 23, 2026). |
| Harvard | WordNet 2010, lanthanide series, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/lanthanide_series/definitions/1247595>. |
| MLA | WordNet. "lanthanide series" 23 October 2010. Web. 23 September 2026. <http://smartdefine.org/lanthanide_series/definitions/1247595> |