- (n.) An alkaloid found in small quantities in opium, and extracted as a white crystalline substance of a bitter astringent taste. It is a narcotic. Called also narceia.
- (n.) An alkaloid found in small quantities in opium, and extracted as a white crystalline substance of a bitter astringent taste. It is a narcotic. Called also narceia.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). Narceine. Retrieved September 24, 2026, from http://smartdefine.org/narceine/definitions/2035827 |
| Chicago | Webster's. 2011. "Narceine" http://smartdefine.org/narceine/definitions/2035827 (accessed September 24, 2026). |
| Harvard | Webster's 2011, Narceine, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/narceine/definitions/2035827>. |
| MLA | Webster's. "Narceine" 27 May 2011. Web. 24 September 2026. <http://smartdefine.org/narceine/definitions/2035827> |