alpha (alpha)-adrenergic blocking agent

al·pha (α)-ad·re·ner·gic block·ing a·gent

(al'fă ad'rĕ-nĕr'jik blok'ing ā'jĕnt)

An agent that competitively blocks α-adrenergic receptors; used in the treatment of hypertension.
Synonym(s): alpha (α)-adrenoceptor antagonist.