hyoscyamine Hear it!

hyoscyamine definition

hy·os·cy·amine (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.

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

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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