Dictionary
at•ro•pine
Pronunciation: (a'tru-pēn", -pin), [key]—
n. Pharm.
a poisonous crystalline alkaloid, C
17H
23NO
3, obtained from belladonna and other plants of the nightshade family, that prevents the response of various body structures to certain types of nerve stimulation: used chiefly to relieve spasms, to lessen secretions, and, topically, to dilate the pupil of the eye.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.