'beta blocker' definitions:

Definition of 'beta blocker'

(from WordNet)
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 [syn: beta blocker, beta-blocking agent, beta-adrenergic blocker, beta-adrenergic blocking agent]

Words containing 'beta blocker'