timolol

noun

ti·​mo·​lol ˈtī-mə-ˌlōl How to pronounce timolol (audio)
-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

Time Traveler
The first known use of timolol was in 1973

Dictionary Entries Near timolol

Cite this Entry

“Timolol.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/timolol. Accessed 20 Jun. 2024.

Medical Definition

timolol

noun
ti·​mo·​lol ˈtī-mə-ˌlōl How to pronounce timolol (audio) -ˌlȯl How to pronounce timolol (audio)
: 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.

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