(n.) A glucoside extracted from the root of a South African plant of the genus Vernonia, as a deliquescent powder, and used as a mild heart tonic.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). Vernonin. Retrieved September 24, 2026, from http://smartdefine.org/vernonin/definitions/2079305 |
| Chicago | Webster's. 2011. "Vernonin" http://smartdefine.org/vernonin/definitions/2079305 (accessed September 24, 2026). |
| Harvard | Webster's 2011, Vernonin, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/vernonin/definitions/2079305>. |
| MLA | Webster's. "Vernonin" 28 May 2011. Web. 24 September 2026. <http://smartdefine.org/vernonin/definitions/2079305> |