- bronchodilator - a drug that relaxes and dilates the bronchial passageways and improves the passages of air into the lungs
--1 is a kind of medicine, medication, medicament, medicinal drug
--1 has particulars:albuterol, Ventolin, Proventil; aminophylline, theophylline, Elixophyllin, Slo-Bid, Theobid; ipratropium bromide, Atrovent; metaproterenol, Alupent; ephedrine