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homatropine

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noun hom·at·ro·pine \ hō-ˈma-trə-ˌpēn \

medical Definition of homatropine

:a poisonous crystalline ester of tropine and mandelic acid used in the form of its hydrobromide C₁₆H₂₁NO₃·HBr for dilating the pupil of the eye and in the form of its methyl bromide C₁₆H₂₁NO₃·CH₃Br in combination with hydrocodone in cough supressant preparations — see hycodan

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