ˈa.trəˌpēn, -_pə̇n noun
( -s )
Etymology: German atropin, from New Latin Atropa (genus name of Atropa belladonna ) + German -in -ine
: a racemic mixture of hyoscyamine extracted from the belladonna and other plants of the family Solanaceae and used especially in the form of its sulfate to relieve spasms, to diminish secretions, to relieve pain, and to dilate the pupil of the eye; racemic hyoscyamine