1. (noun) any of various drugs used in treating hypertension or arrhythmia; decreases force and rate of heart contractions by blocking beta-adrenergic receptors of the autonomic nervous system

• beta-adrenergic blocker
• beta-adrenergic blocking agent
• beta-blocking agent

1. (noun) any of various drugs used in treating hypertension or arrhythmia; decreases force and rate of heart contractions by blocking beta-adrenergic receptors of the autonomic nervous system

• acebutolol
• sectral
• atenolol
• tenormin
• blocadren
• timolol
• brevibloc
• esmolol
• carvedilol
• corgard
• nadolol
• inderal
• propanolol
• lopressor
• metoprolol
• pindolol
• visken

1. (noun) any of various drugs used in treating hypertension or arrhythmia; decreases force and rate of heart contractions by blocking beta-adrenergic receptors of the autonomic nervous system

• blocker
• blocking agent