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bronchodilator

[brong-koh-dahy-ley-ter, -di-]
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noun
  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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for bronchodilator

bronchodilator

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
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

bronchodilator in Medicine

bronchodilator

(brŏng′kō-dī-lātər, -dīlā′-, -dĭ-lā-)
n.
  1. An agent that causes an increase in the caliber of a bronchus or bronchial tube and eases breathing by relaxing bronchial smooth muscle.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

bronchodilator in Science

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.