Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Medical Dictionary

atenolol

play
noun aten·o·lol \ə-ˈten-ə-ˌlȯl, -ˌlōl\

Medical Definition of atenolol

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




Learn More about atenolol


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).

WORD OF THE DAY

a division or portion of a pool or whole

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1926873504

Which of the following best describes an easily irritated person?

gregarious flashy superficial tetchy
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ