YourDictionary

bronchodilator

noun

any of various drugs, as epinephrine or theophylline, that open bronchial air passages by relaxing the tightened muscles that surround the bronchial tubes, used to treat asthma, bronchitis, emphysema, etc.

Related Forms:

See bronchodilator in American Heritage Dictionary 4

Learn more about bronchodilator

link/cite print suggestion box