homatropine
noun
hom·at·ro·pine
hō-ˈma-trə-ˌpēn 
: 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 suppressant preparations see hycodan
Cite this Entry
“Homatropine.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/homatropine. Accessed 31 Oct. 2025.
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