any drug or other agent that causes dilation of the bronchial tubes by relaxing bronchial muscle: used, esp in the form of aerosol sprays, for the relief of asthma
WordReference Random House Unabridged Dictionary of American English © 2025
bron•cho•di•la•tor
(brong′kō dī lā′tər, -di-),USA pronunciation n.
- Drugsa substance that acts to dilate constricted bronchial tubes to aid breathing, used esp. for relief of asthma.
- broncho- + dilator 1900–05
Collins Concise English Dictionary © HarperCollins Publishers::
'bronchodilator' also found in these entries (note: many are not synonyms or translations):