[ brong-kahy-tis ]
/ brɒŋˈkaɪ tɪs /
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noun Pathology.

acute or chronic inflammation of the membrane lining of the bronchial tubes, caused by respiratory infection or exposure to bronchial irritants, as cigarette smoke.



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Origin of bronchitis

From New Latin, dating back to 1812; see origin at bronch-, -itis
bron·chit·ic [brong-kit-ik], /brɒŋˈkɪt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for bronchitis

/ (brɒŋˈkaɪtɪs) /


inflammation of the bronchial tubes, characterized by coughing, difficulty in breathing, etc, caused by infection or irritation of the respiratory tract
bronchitic (brɒŋˈkɪtɪk), adjective, noun
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 bronchitis

[ brŏn-kītĭs, brŏng- ]


Inflammation of the mucous membrane of the bronchial tubes.
bron•chitic (-kĭtĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for bronchitis

[ brŏng-kītĭs ]

Inflammation of the mucous membrane of the bronchial tubes, often as a result of a cold or other viral infection. Smoking is also a common cause of chronic bronchitis.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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