beta_blocker
1. [ noun ] (medicine,pharmacology) 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
Synonyms: beta-adrenergic_blocker beta-adrenergic_blocking_agent
Related terms: medicine blocker carvedilol brevibloc atenolol blocadren nadolol propranolol pindolol inderal metoprolol acebutolol