Definitions of atropine
  1. 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
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    an alkaloidal extract or tincture of the poisonous belladonna plant that is used medicinally
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    antidote, counterpoison
    a remedy that stops or controls the effects of a poison
    antispasmodic, antispasmodic agent, spasmolytic
    a drug used to relieve or prevent spasms (especially of the smooth muscles)
    mydriatic, mydriatic drug
    a drug that causes the pupil of the eye to dilate; used to aid eye examinations
    natural bases containing nitrogen found in plants
    poison, poisonous substance, toxicant
    any substance that causes injury or illness or death of a living organism
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