(n.) A supposed rare metallic element, with a characteristic spectrum, found associated with yttrium and other rare metals. Its individuality and properties have not yet been determined.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). gadolinium. Retrieved September 22, 2026, from http://smartdefine.org/gadolinium/definitions/2010958 |
| Chicago | Webster's. 2011. "gadolinium" http://smartdefine.org/gadolinium/definitions/2010958 (accessed September 22, 2026). |
| Harvard | Webster's 2011, gadolinium, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/gadolinium/definitions/2010958>. |
| MLA | Webster's. "gadolinium" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/gadolinium/definitions/2010958> |