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[brong-koh-dahy-ley-ter, -di-] /ˌbrɒŋ koʊ daɪˈleɪ tər, -dɪ-/
a substance that acts to dilate constricted bronchial tubes to aid breathing, used especially for relief of asthma.
Origin of bronchodilator
1900-05; broncho- + dilator Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for bronchodilator
  • The symptoms of asthma are generally relieved by using a bronchodilator.
British Dictionary definitions for bronchodilator


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
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bronchodilator in Medicine

bronchodilator bron·cho·di·la·tor (brŏng'kō-dī-lā'tər, -dī'lā'-, -dĭ-lā'-)
An agent that causes an increase in the caliber of a bronchus or bronchial tube.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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bronchodilator in Science
  (brŏng'kō-dī-lā'tər, -dī'lā-)   
A drug that widens the air passages of the lungs and eases breathing by relaxing bronchial smooth muscle.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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