What does bronchitis mean?
Bronchitis is inflammation of the bronchial tubes, the branching airways that carry air between the windpipe and the lungs. When these passages become irritated or infected, their lining swells and produces excess mucus, producing the hallmark symptoms of a persistent cough, phlegm, chest discomfort, and breathlessness. Doctors distinguish two main forms: acute bronchitis, usually triggered by a viral infection such as a cold or flu and resolving within a few weeks; and chronic bronchitis, a long-term condition defined by a productive cough lasting months at a time, most often caused by cigarette smoke but historically also by dust and industrial fumes. The word entered English in the early nineteenth century from Greek roots meaning windpipe and inflammation, joining a large family of medical terms ending in -itis. Though generally not dangerous in its acute form, bronchitis can be serious in infants, the elderly, and people with weakened lungs, and chronic cases warrant proper medical care.
nounInflammation of the bronchial tubes, the airways that carry air to and from the lungs, typically causing coughing and mucus production. It may be acute and short-lived, often following a cold or respiratory infection, or chronic and persistent, most commonly associated with smoking.
- Inflammation of the mucous membrane lining the bronchial tubes, causing cough and mucus; classified as acute when short-lived (usually after a viral infection) or chronic when persistent (typically linked to smoking or long-term irritant exposure).
"After weeks of nagging cough, the doctor diagnosed her with acute bronchitis and prescribed rest and plenty of fluids."
"He missed two weeks of work after a bout of acute bronchitis left him coughing through the night."
"Chronic bronchitis, once common among coal miners, is now most often seen in long-term smokers."
Bronchitis is almost always used as an uncountable noun. Episodes are described with phrases such as "a bout of bronchitis" or "recurring attacks of bronchitis" rather than by pluralizing the word.
"She suffered repeated bouts of bronchitis over the winter."
The '-itis' ending comes straight from Greek for 'inflammation' — so every word from arthritis to appendicitis is literally just naming a body part plus 'on fire'.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of bronchitis
The word bronchitis derives from New Latin, combining Greek brónkhos (βρόγχος), meaning windpipe or throat, with the suffix -itis, denoting inflammation. It was coined as part of the systematic medical nomenclature built on Greek roots and became established in English during the early nineteenth century, alongside related terms such as bronchia and bronchial. The same Greek root gives English bronchus, bronchiole, and bronchoscopy, while the suffix -itis appears throughout medicine in words like arthritis and tonsillitis.
Related word forms
How bronchitis is actually used
A medical term used both clinically and in everyday speech; it is uncountable in general use ("she has bronchitis"), though "a bronchitis" occasionally appears informally for an episode. The adjective "bronchitic" describes either the condition itself or, figuratively, a harsh, rattling cough. Distinguish carefully between acute and chronic forms: they differ markedly in cause, duration, and seriousness.
Easily confused with bronchitis
Bronchitis is inflammation of the bronchial tubes (the larger airways), whereas pneumonia is an infection that inflames the air sacs of the lungs themselves.
Asthma is a chronic condition in which the airways narrow and swell episodically, while bronchitis refers specifically to inflammation of the bronchial lining, often from infection or irritants.