1. (noun) a drug that relaxes and dilates the bronchial passageways and improves the passages of air into the lungs

• albuterol
• proventil
• ventolin
• alupent
• metaproterenol
• aminophylline
• atrovent
• ipratropium bromide
• elixophyllin
• slo-bid
• theobid
• theophylline
• ephedrine

1. (noun) a drug that relaxes and dilates the bronchial passageways and improves the passages of air into the lungs

• medicament
• medication
• medicinal drug
• medicine