hyoscyamine

English

Etymology

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

Pronunciation

• (Received Pronunciation) IPA^(key): /ˌhʌɪ.ə(ʊ)ˈsʌɪ.ə.miːn/
• (General American) IPA^(key): /ˌhaɪ.əˈsaɪ.əˌmin/

Noun

hyoscyamine (uncountable)

1. (biochemistry, pharmacology) 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.

References

• “hyoscyamine”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
• “hyoscyamine”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.