timolol

noun

ti·​mo·​lol ˈtī-mə-ˌlōl  -ˌlȯl 

: a beta-blocker C₁₃H₂₄N₄O₃S used in the form of its maleate salt to treat glaucoma and hypertension and to reduce the risk of second heart attacks

Word History

Etymology

tim- (of unknown origin) + -olol (as in propranolol)

First Known Use

1973, in the meaning defined above

Medical Definition

timolol

noun

ti·​mo·​lol ˈtī-mə-ˌlōl  -ˌlȯl 

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

Note: Trademarks for preparations containing timolol include Combigan and Timoptic.