(n.) A rare element of the carbon-silicon group, intermediate between the metals and nonmetals, obtained from the mineral zircon as a dark sooty powder or as a gray metallic crystalline substance. Symbol Zr. Atomic weight, 90.4.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). zirconium. Retrieved September 25, 2026, from http://smartdefine.org/zirconium/definitions/2083542 |
| Chicago | Webster's. 2011. "zirconium" http://smartdefine.org/zirconium/definitions/2083542 (accessed September 25, 2026). |
| Harvard | Webster's 2011, zirconium, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/zirconium/definitions/2083542>. |
| MLA | Webster's. "zirconium" 28 May 2011. Web. 25 September 2026. <http://smartdefine.org/zirconium/definitions/2083542> |