[ brong-koh-dahy-ley-ter, -di- ]

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

Origin of bronchodilator

First recorded in 1900–05; broncho- + dilator

Words Nearby bronchodilator Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use bronchodilator in a sentence

British Dictionary definitions for bronchodilator


/ (ˈbrɒŋkəʊdaɪˌleɪtə) /

  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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for bronchodilator


[ brŏng′kō-dī-lātər, -dīlā- ]

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

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.