(n.) Any one of several metameric forms of the same substance or of different substances having the same composition; as, xylene has three metamers, viz., orthoxylene, metaxylene, and paraxylene.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). metamer. Retrieved September 20, 2026, from http://smartdefine.org/metamer/definitions/2032226 |
| Chicago | Webster's. 2011. "metamer" http://smartdefine.org/metamer/definitions/2032226 (accessed September 20, 2026). |
| Harvard | Webster's 2011, metamer, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/metamer/definitions/2032226>. |
| MLA | Webster's. "metamer" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/metamer/definitions/2032226> |