Synonyms for Beta-adrenergic Receptor (same or very similar meaning)
WordNet sense 1 (receptors postulated to exist on nerve cell membranes of the sympathetic nervous system in order to explain the specificity of certain agents that affect only some sympathetic activities (such as vasodilation and increased heart beat)):
beta-adrenoceptor, beta receptorFrom the ODE community, based on WordNetadd/edit