noun
- A lustrous grey strong metallic element resembling titanium; it is used in nuclear reactors as a neutron absorber; it occurs in baddeleyite but is obtained chiefly from zircon.
- synonyms: zirconium, atomic number 40
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). Zr. Retrieved September 20, 2026, from http://smartdefine.org/zr/definitions/1322080 |
| Chicago | WordNet. 2010. "Zr" http://smartdefine.org/zr/definitions/1322080 (accessed September 20, 2026). |
| Harvard | WordNet 2010, Zr, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/zr/definitions/1322080>. |
| MLA | WordNet. "Zr" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/zr/definitions/1322080> |