acute or chronic inflammation of the membrane lining of the bronchial tubes, caused by respiratory infection or exposure to bronchial irritants, as cigarette smoke.
Main Entry: bron·chi·tis Pronunciation: brän-'kIt-&s, brä[ng]- Function: noun : acute or chronic inflammation of the bronchialtubes; also: a disease marked by this —bron·chit·ic/-'kit-ik/adjective