Dictionary.com

bronchodilator

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

noun

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

QUIZZES

DO A DOUBLE TAKE ON THIS QUIZ ON CONTRONYMS

Look both ways before you take this quiz on contronyms, or words that can have opposite meanings.
Question 1 of 7
Choose the sentence that uses "rent" correctly.

Meet Grammar Coach

Write or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing

Meet Grammar Coach

Improve Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of bronchodilator

First recorded in 1900–05; broncho- + dilator
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for bronchodilator

bronchodilator
/ (ˈbrɒŋkəʊdaɪˌleɪtə) /

noun

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

Medical definitions for bronchodilator

bronchodilator
[ brŏng′kō-dī-lātər, -dīlā′-, -dĭ-lā- ]

n.

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.

Scientific definitions for bronchodilator

bronchodilator
[ brŏng′kō-dī-lātər, -dīlā- ]

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.
FEEDBACK