Definition of "bronchodilator" [bronchodilator]

• A drug that widens the air passages of the lungs and eases breathing by relaxing bronchial smooth muscle. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "It was a 24 week study, which assessed the long term bronchodilator efficacy and safety of inhaled aclidinium bromide 200 μg and 400 μg, both administered BID, compared to placebo in 828 moderate to severe COPD patients mean baseline FEV1= 1480mL."
• "Tomeet the complex medical needs of the infant with bronchopulmonary dysplasia, we have a program to manage supplemental oxygen and bronchodilator/diuretic therapy."
• "A bronchodilator used as both controller and quick-relief medicine; available in syrup, pill and injectable forms."