noun
- Any element of the lanthanide series (atomic numbers 57 through 71. ).
- synonyms: rare earth, rare-earth element, lanthanoid, lanthanon
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). lanthanide. Retrieved September 21, 2026, from http://smartdefine.org/lanthanide/definitions/1290470 |
| Chicago | WordNet. 2010. "lanthanide" http://smartdefine.org/lanthanide/definitions/1290470 (accessed September 21, 2026). |
| Harvard | WordNet 2010, lanthanide, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/lanthanide/definitions/1290470>. |
| MLA | WordNet. "lanthanide" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/lanthanide/definitions/1290470> |