from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See beta-blocker.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. 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
Sorry, no etymologies found.