Ma'anar ƙamus na kalmar "propranolol" wani nau'in maganin beta-blocker ne wanda ake amfani dashi don magance hawan jini, angina (ciwon kirji), da wasu cututtuka na bugun zuciya. Yana aiki ta hanyar toshe tasirin adrenaline da sauran hormones na damuwa a cikin zuciya da tasoshin jini, wanda ke taimakawa wajen rage hawan jini da kuma rage nauyin aiki akan zuciya. Ana kuma amfani da Propranolol a wasu lokuta don hana migraines, rage alamun damuwa, da kuma magance wasu nau'ikan rawar jiki.