labetalol
noun
la·bet·a·lol
| \ lə-ˈbet-ə-ˌlȯl
, -ˌlōl
\
, -ˌlōl
\
Medical Definition of labetalol
: a beta-adrenergic blocking agent used in the form of its hydrochloride C19H24O3·HCl to treat hypertension