(n.) A white crystalline substance which is obtained indirectly from the root of an umbelliferous plant (Imperatoria Oreoselinum), and yields resorcin on decomposition.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). Oreoselin. Retrieved September 23, 2026, from http://smartdefine.org/oreoselin/definitions/2039351 |
| Chicago | Webster's. 2011. "Oreoselin" http://smartdefine.org/oreoselin/definitions/2039351 (accessed September 23, 2026). |
| Harvard | Webster's 2011, Oreoselin, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/oreoselin/definitions/2039351>. |
| MLA | Webster's. "Oreoselin" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/oreoselin/definitions/2039351> |