Definition of bronchitis noun from the Oxford Advanced American Dictionary

 

bronchitis

 noun
noun
NAmE//brɑŋˈkaɪt̮əs//
 
[uncountable]
 
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an illness that affects the bronchial tubes leading to the lungs He was suffering from chronic bronchitis.
NAmE//brɑŋˈkɪt̮ɪk//
 
adjective a bronchitic cough
See the Oxford Advanced Learner's Dictionary entry: bronchitis