bronchodilator

American  

[brong-koh-dahy-ley-ter, -di-] / ˌbrɒŋ koʊ daɪˈleɪ tər, -dɪ- /

noun

1. a substance that acts to dilate constricted bronchial tubes to aid breathing, used especially for relief of asthma.

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bronchodilator British  

/ ˈbrɒŋkəʊdaɪˌleɪtə /

noun

1. 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

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bronchodilator Scientific  

/ brŏng′kō-dī-lā′tər,-dī′lā- /

1. A drug that widens the air passages of the lungs and eases breathing by relaxing bronchial smooth muscle.

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Etymology

Origin of bronchodilator

First recorded in 1900–05; broncho- + dilator