(n.) An alkaloid found in henbane (Hyoscyamus niger), and regarded as its active principle. It is also found with other alkaloids in the thorn apple and deadly nightshade. It is extracted as a white crystalline substance, with a sharp, offensive taste. Hyoscyamine is isomeric with atropine, is very poisonous, and is used as a medicine for neuralgia, like belladonna. Called also hyoscyamia, duboisine, etc.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). hyoscyamine. Retrieved September 25, 2026, from http://smartdefine.org/hyoscyamine/definitions/2018272 |
| Chicago | Webster's. 2011. "hyoscyamine" http://smartdefine.org/hyoscyamine/definitions/2018272 (accessed September 25, 2026). |
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| MLA | Webster's. "hyoscyamine" 27 May 2011. Web. 25 September 2026. <http://smartdefine.org/hyoscyamine/definitions/2018272> |