hyoscyamine noun. [hʌɪǝ(ʊ)'sʌɪǝmi:n] E19.
[from HYOSCYAMUS + -INE⁵.]
A poisonous alkaloid, C₁₇H₂₃NO₃; spec. the laevorotatory isomer, occurring in henbane and other solanaceous plants and used medicinally like atropine for its anticholinergic properties.

[TahlilGaran] English Dictionary ▲