tropicamide
nounUK /tɹəʊˈpɪk.ə.mʌɪd/ · US /tɹəˈpɪk.əˌmaɪd/
Etymology From tropic acid + amide.
1
Medicine, Pharmacology, Sciences A short-acting anticholinergic drug, used to produce dilatation of the pupil and cycloplegia during examination of the eye.