Learn how to say Hyoscyamine correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word hyoscyamine:
[mass noun] Chemistry
a poisonous compound present in henbane, with similar properties to hyoscine.
Chemical formula: C17H23NO3
mid 19th century: from modern Latin hyoscyamus (from Greek huoskuamos ‘henbane’, from hus, huos ‘pig’ + kuamos ‘bean’) + -ine4