timolol

ti·mo·lol

noun \ˈtī-mə-ˌlōl, -ˌlȯl\

Definition of TIMOLOL

: a beta-blocker used especially in the form of its maleate C₁₃H₂₄N₄O₃S·C₄H₄O₄ to treat hypertension, to reduce the risk of reinfarction, and to lower intraocular pressure associated with open-angle glaucoma and ocular hypertension