isoproterenol

isoproterenol [ahy-suh-proh-ter-uh-nawl, -nol] Word Origin noun Pharmacology.

1. a beta-adrenergic receptor agonist, C11H17NO3, used as a bronchodilator.

Origin of isoproterenol 1955–60; isopro(pyl) + (Ar)terenol trade name for a hydrochloride of norepinephrine