noun
- A trivalent metallic element of the rare earth group; usually occurs in association with yttrium.
- synonyms: lutetium, lutecium, atomic number 71
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). lu. Retrieved September 21, 2026, from http://smartdefine.org/lu/definitions/1292440 |
| Chicago | WordNet. 2010. "lu" http://smartdefine.org/lu/definitions/1292440 (accessed September 21, 2026). |
| Harvard | WordNet 2010, lu, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/lu/definitions/1292440>. |
| MLA | WordNet. "lu" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/lu/definitions/1292440> |