bron·​cho·​di·​la·​tor ˌbräŋ-(ˌ)kō-dī-ˈlā-tər How to pronounce bronchodilator (audio)
: a drug that relaxes bronchial muscle resulting in expansion of the bronchial air passages
bronchodilator adjective

Examples of bronchodilator in a Sentence

Recent Examples on the Web Both asthma and chronic bronchitis can be treated with inhalers that contain bronchodilators that open up the airway. Amanda Gardner, Health, 5 Apr. 2023 These are often comprised of a combination of a medicine to open airways (a bronchodilator, but commonly a long-acting formulation is used in people with COPD, except those with very mild COPD) along with an inhaled anticholinergic medicine, also called an antimuscarinic. Dr. Keith Roach, oregonlive, 14 Oct. 2022 Albuterol is a bronchodilator that provides relief from asthma attacks by relaxing smooth muscles in the airways. Erin Prater, Fortune Well, 8 Mar. 2023 When Nephron was unable to meet demand due to manufacturing issues, Bardele said Lurie had to make another temporary switch to a different concentration and use an alternative liquid bronchodilator, levalbuterol. Jen Christensen, CNN, 3 Mar. 2023 The first is an inhaled bronchodilator (called a beta agonist), the same used in people with asthma. Dr. Keith Roach, oregonlive, 6 Sep. 2022 Guyatt and his team meant to do three blind comparisons between a placebo and one of the three drugs: theophylline, a bronchodilator that eases breathing. Maggie McKee, Discover Magazine, 1 Oct. 2014 If you're diagnosed with bronchitis, your doctor may prescribe a bronchodilator like albuterol, Dr. Sood says. Korin Miller,, 14 Feb. 2022 People who are having trouble breathing can talk to their doctor about getting a bronchodilator, an inhaler, said Dr. Saag, who cautioned that systemic steroids, like prednisone, are highly dangerous to take at the outset of COVID-19. al, 29 Dec. 2021 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'bronchodilator.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


broncho- + dilator

First Known Use

1903, in the meaning defined above

Time Traveler
The first known use of bronchodilator was in 1903

Dictionary Entries Near bronchodilator

Cite this Entry

“Bronchodilator.” Dictionary, Merriam-Webster, Accessed 30 Nov. 2023.

Medical Definition


1 of 2 adjective
bron·​cho·​di·​la·​tor -dī-ˈlāt-ər How to pronounce bronchodilator (audio) -ˈdī-ˌlāt- How to pronounce bronchodilator (audio)
variants also bronchodilatory
: relating to or causing expansion of the bronchial air passages
bronchodilator activity
bronchodilator drugs


2 of 2 noun
: a drug that relaxes bronchial muscle resulting in expansion of the bronchial air passages

More from Merriam-Webster on bronchodilator

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!