(n.) An alkaloid found in opium. It has a weaker therapeutic action than morphine.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). papaverine. Retrieved September 25, 2026, from http://smartdefine.org/papaverine/definitions/2041804 |
| Chicago | Webster's. 2011. "papaverine" http://smartdefine.org/papaverine/definitions/2041804 (accessed September 25, 2026). |
| Harvard | Webster's 2011, papaverine, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/papaverine/definitions/2041804>. |
| MLA | Webster's. "papaverine" 27 May 2011. Web. 25 September 2026. <http://smartdefine.org/papaverine/definitions/2041804> |