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| hy·o·scy·a·mine [ h ə s ə mn ] |
noun |
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| Definition: |
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poisonous alkaloid used as drug: a poisonous alkaloid that resembles atropine. Source: henbane, belladonna. Use: dilates blood vessels, prevents or controls spasms.
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| [Mid-19th century. < modern Latin Hyoscyamus, genus name of the henbane < Greek huoskuamos "pig's bean" < genitive of hus "pig" + kuamos "bean"] |
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