atropine Meaning, Definition & Usage
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noun a poisonous crystalline alkaloid extracted from the nightshade family; used as an antispasmodic and to dilate the eye pupil; also administered in large amounts as an antidote for organophosphate nerve agents or organophosphate insecticides
WordNet
At"ro*pine noun
Etymology
Gr. inflexible; hence , one of the three Parcæ; priv. + to turn.Definitions
(Chem.) A poisonous, white, crystallizable alkaloid, extracted from the Atropa belladonna , or deadly nightshade, and theDatura Stramonium , or thorn apple. It is remarkable for its power in dilating the pupil of the eye. Called alsodaturine .