Definition of timolol
: 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
Origin and Etymology of timolol
tim- (of unknown origin) + -olol (as in propranolol)
First Known Use: 1973See Words from the same year
Medical 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, to prevent migraine headaches, and to lower intraocular pressure associated with open-angle glaucoma and ocular hypertension ◆Trademarks for preparations containing timolol include Combigan and Timoptic.
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