Definition of atenolol
: a beta blocker C14H22N2O3 used in the treatment of hypertension
Origin and Etymology of atenolol
perhaps from antihypertensive + -olol (as in propranolol)
First Known Use: 1972
Seen and Heard
What made you want to look up atenolol? Please tell us where you read or heard it (including the quote, if possible).