hyoscyamine

H4Y4O1S1C3Y4A1M3I1N1E1
UK/ˌhʌɪ.ə(ʊ)ˈsʌɪ.ə.miːn/US/ˌhaɪ.əˈsaɪ.əˌmin/

noun

A poisonous alkaloid present in henbane that is the stereoisomer of atropine, with similar properties to hyoscine, and used medicinally to treat abdominal pain and similar conditions.

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Meanings

nounhyoscyamine (uncountable)
  1. uncountablebiochemistryA poisonous alkaloid present in henbane that is the stereoisomer of atropine, with similar properties to hyoscine, and used medicinally to treat abdominal pain and similar conditions.

    If only Creake was going to poison his wife with hyoscyamine and bury her, instead of blowing her up with a dynamite cartridge and claiming that it came in among the coal.

    1914, Ernest Bramah [pseudonym; Ernest Brammah Smith], Max Carrados

Origin

From Latin hyoscyamus (“henbane”) + English -ine.

Full word history & related roots →
Cite this entry
APA

hyoscyamine. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/hyoscyamine

MLA

“hyoscyamine.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hyoscyamine. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “hyoscyamine,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/hyoscyamine.

Source: hyoscyamine on Wiktionary, CC BY-SA 4.0.