ホマトロピンほまとろぴんMeanings1nounhomatropineA pharmaceutical substance used in eye drops to dilate the pupil and as an anticholinergic agent. Domain-specific medical term.眼がん科かでホマトロピン点てん眼がん液えきを処しょ方ほうされた。I was prescribed homatropine eye drops at the ophthalmologist.