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labetalol

American  
[luh-bet-uh-lawl, -lol] / ləˈbɛt əˌlɔl, -ˌlɒl /

noun

Pharmacology.
  1. an alpha- and beta-adrenergic blocking agent, C 19 H 24 N 2 O 3 , used in the treatment of hypertension.


Etymology

Origin of labetalol

Probably la-, inversion of al(pha) + beta + -l- of uncertain derivative + -ol 1