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|Noun||1.||mydriatic drug - a drug that causes the pupil of the eye to dilate; used to aid eye examinations|
atropine - 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
drug - a substance that is used as a medicine or narcotic