Pharmacologic Substance
bronchodilator Audio
bron·cho·di·la·tor [ brong-koh-dahy-ley-ter, -di- ]
Subclass of:
Anti-Asthmatic Agents; Autonomic Agents
Definitions related to bronchodilator agents:
  • (bronchodilator) A type of drug that causes small airways in the lungs to open up. Bronchodilators are inhaled and are used to treat breathing disorders, such as asthma or emphysema.
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
  • (bronchodilator) Agent that causes an expansion of the lumen of a bronchus or bronchiole.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • (bronchodilator) Medication that eases breathing by relaxing the muscles surrounding the bronchial tubes.
    Harvard Dictionary of Health Terms
    Harvard Medical Publishing, 2011
  • Agents that cause an increase in the expansion of a bronchus or bronchial tubes.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.