salbutamol UK /salˈbjuː.tə.mɒl/US /sælˈbju.təˌmɔl/ noun1 •A synthetic bronchodilator, with the chemical formula C₁₃H₂₁NO₃, used to treat bronchospasm associated especially with asthma and chronic obstructive pulmonary disease.The blue inhaler contained a medication called salbutamol, which was only ever to be used when you felt wheezy or short of breath. — 2020