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Definition of: atropine
(at′rə·pēn, -pin) noun
A crystalline, bitter, poisonous alkaloid, C17H23O3N, found in the deadly nightshade and in the seeds of the thorn apple or jimsonweed: used in medicine as an antispasmodic and having the power of enlarging the pupil of the eye. Also at′ro·pin (-pin). [<NL Atropa the genus of belladonna <Gk. Atropos. See ATROPOS]
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