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• alpha blocker
  alpha blocker

  noun

  any of various substances that interfere with the action of the alpha receptors.
• alpha-blocker
  alpha-blocker

  noun

  any of a class of drugs that prevent the stimulation of alpha adrenoceptors, a type of receptor in the sympathetic nervous system, by adrenaline and noradrenaline and that therefore cause widening of blood vessels: used in the treatment of high blood pressure and prostatic hyperplasia

alpha blocker

American  

Or alpha-blocker

noun

Pharmacology.

1. any of various substances that interfere with the action of the alpha receptors.

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alpha-blocker British  

noun

1. any of a class of drugs that prevent the stimulation of alpha adrenoceptors, a type of receptor in the sympathetic nervous system, by adrenaline and noradrenaline and that therefore cause widening of blood vessels: used in the treatment of high blood pressure and prostatic hyperplasia

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Other Word Forms

• alpha-blocking
  adjective

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Example Sentences

See Examples For:

alpha blocker alpha-blocker

If you're one of the 1 million Americans who take an alpha blocker, ask your doctor about switching.

From Time Magazine Archive

There is also a combination drug of an alpha-blocker and a 5ARI that is said to work better than either one alone.

From New York Times ● Aug. 26, 2019

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