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hyoscyamine

(hī′ə sī′ə mēn′, -min)

noun

a colorless, crystalline, very poisonous alkaloid, CHNO, obtained from henbane and other plants of the nightshade family: it is used in medicine as a sedative, antispasmodic, etc.

Origin: < L hyoscyamus, henbane ( < Gr hyoskyamos < hys, pig (see hyena) + kyamos, bean) + -ine

See hyoscyamine in American Heritage Dictionary 4

noun

A poisonous white crystalline alkaloid, C₁₇H₂₃NO₃, isometric with atropine and having similar uses but more potent effects.

Origin:

Origin: New Latin Hyoscyamus, henbane genus; see hyoscine

Origin: + -ine²

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