phentolamine

[ fen-tol-uh-meen, -min ]

noun

, Pharmacology.

1. an alpha blocker, C 1 7 H 1 9 N 3 O, used to reduce hypertensive states caused by a catecholamine excess, as in the treatment of pheochromocytoma.

Word History and Origins

Origin of phentolamine¹

1950–55; phen(o)- + tol(uidine) + -amine; tolu