Dictionary

hyoscyamine

noun hy·o·scy·a·mine \ˌhī-ə-ˈsī-ə-ˌmēn\

Definition of HYOSCYAMINE

:  a poisonous crystalline alkaloid C17H23NO3 of which atropine is a racemic mixture; especially :  its levorotatory form found especially in the plants belladonna and henbane and used similarly to atropine

Origin of HYOSCYAMINE

German Hyoscyamin, from New Latin Hyoscyamus, genus of herbs, from Latin, henbane, from Greek hyoskyamos, literally, swine's bean, from hyos (genitive of hys swine) + kyamos bean — more at sow
First Known Use: 1858

hyoscyamine

noun hyo·scy·a·mine \ˌhī-ə-ˈsī-ə-mēn\   (Medical Dictionary)

Medical Definition of HYOSCYAMINE

:  a poisonous crystalline alkaloid C17H23NO3 of which atropine is a racemic mixture; especially :  its levorotatory form found especially in the plants belladonna and henbane and used similarly to atropine

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