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definitions

beta blocker

or be·ta-block·er

noun Pharmacology.

any of various substances that interfere with the action of the beta receptors: used primarily to reduce the heart rate or force in the prevention, management, or treatment of angina, hypertension, or arrythmias.

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Nearby words

  1. bet,
  2. bet on the wrong horse,
  3. bet one's ass,
  4. bet.,
  5. beta,
  6. beta brass,
  7. beta carotene,
  8. beta cell,
  9. beta coefficient,
  10. beta crucis
Compare alpha blocker.

Origin of beta blocker

First recorded in 1975–80
Related formsbe·ta-block·ing, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019