aten·​o·​lol | \ ə-ˈte-nə-ˌlȯl How to pronounce atenolol (audio) , -ˌlōl \

Definition of atenolol

: a beta blocker C14H22N2O3 used in the treatment of hypertension

Examples of atenolol in a Sentence

Recent Examples on the Web The beta blocker atenolol may cause erectile dysfunction or impair the ability to exercise, for example. NBC News, "Single 'polypill' found to cut heart attacks, stroke," 13 Nov. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'atenolol.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of atenolol

1972, in the meaning defined above

History and Etymology for atenolol

perhaps from antihypertensive + -olol (as in propranolol)

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Time Traveler for atenolol

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The first known use of atenolol was in 1972

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Statistics for atenolol

Last Updated

22 Nov 2020

Cite this Entry

“Atenolol.” Dictionary, Merriam-Webster, Accessed 24 Nov. 2020.

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aten·​o·​lol | \ ə-ˈten-ə-ˌlȯl, -ˌlōl How to pronounce atenolol (audio) \

Medical Definition of atenolol

: a beta-blocker C14H22N2O3 used in the treatment of hypertension — see tenormin

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