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[hahy-uh-sahy-uh-muh s] /ˌhaɪ əˈsaɪ ə məs/

the dried leaves, with or without the tops, of the henbane, Hyoscyamus niger, containing the alkaloids and scopolamine, used in medicine.
any plant of the solanaceous genus Hyoscyamus, of Europe, Asia, and N Africa, including henbane


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  • Hydroxyproline

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  • Hydroxyphenyluria

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  • Hypacusis

    hypacusis hyp·a·cu·sis (hĭp’ə-kōō’sĭs, -kyōō’-, hī’pə-) or hy·po·a·cu·sis (hī’pō-ə-) n. A hearing impairment associated with a deficiency in the peripheral neurosensory or conductive organs of hearing.

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