hyoscyamine
noun
hy·o·scy·a·mine ˌhī-ə-ˈsī-ə-ˌmēn 
: 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
Example Sentences
Recent Examples on the Web In addition to the hyoscyamine, other medications used include: atropine eyedrops under the tongue; the antidepressant amitriptyline; and glycopyrrolate. 
Dr. Keith Roach, oregonlive, 3 Dec. 2021 Indeed, while solitarious locusts avoid eating toxic plants, the gregarious locusts are actually attracted to the odor of hyoscyamine, a toxic alkaloid found in local plants. Matt Simon, Wired, 5 Feb. 2020
Dr. Keith Roach, oregonlive, 3 Dec. 2021 Indeed, while solitarious locusts avoid eating toxic plants, the gregarious locusts are actually attracted to the odor of hyoscyamine, a toxic alkaloid found in local plants. Matt Simon, Wired, 5 Feb. 2020 Word History
Etymology
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, in the meaning defined above
Medical Definition
hyoscyamine
noun
hyo·scy·a·mine ˌhī-ə-ˈsī-ə-mēn
: 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
- unconsumed
- unconsummated
- uncontainable
- uncontained
- uncontaminated
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- uncontemporary
- uncontent
- uncontented
- uncontentious
- uncontestable
- uncontestably
- uncontested
- uncontinuous
- uncontracted
- uncontradicted
- uncontrived
- uncontrol
- uncontrollabilities
- uncontrollability
- uncontrollable
- uncontrollably
- uncontrolled
- uncontroversial
- uncontroversially