Noun: theophylline ,thee-u'fi-leen
- A colourless crystalline alkaloid used in medicine as a bronchial dilator
"The asthma patient took theophylline to help open his airways";
- Elixophyllin, Slo-Bid, Theobid
Derived forms: theophyllines
Type of: bronchodilator
Encyclopedia: Theophylline