phentolamine

noun

phen·​tol·​amine fen-ˈtä-lə-ˌmēn 

-mən

: an alpha-adrenergic blocking agent C₁₇H₁₉N₃O used especially in the diagnosis and treatment of hypertension due to pheochromocytoma

Word History

Etymology

phen- + toluidine + amine

First Known Use

1952, in the meaning defined above

Medical Definition

phentolamine

noun

phen·​tol·​amine fen-ˈtäl-ə-ˌmēn, -mən 

: an alpha-adrenergic blocking agent that is administered by injection in the form of its mesylate C₁₇H₁₉N₃O·CH₄O₃S especially in the diagnosis and treatment of hypertension due to pheochromocytoma see regitine