Asthma meaning

ăz'mə, ăs'-
The definition of asthma is an ongoing lung condition that makes breathing difficult.

Having episodes of wheezing, tightness in the chest, and coughing is an example of asthma.

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A chronic respiratory disease, often arising from allergies, that is characterized by sudden recurring attacks of labored breathing, chest constriction, and coughing.
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A generally chronic disorder characterized by wheezing, coughing, difficulty in breathing, and a suffocating feeling, caused by an allergy to ingested substances, stress, etc.
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A chronic inflammatory disease of the lungs characterized by a narrowing of the airways and attacks of wheezing, coughing, and shortness of breath that are induced by triggers such as allergens, exercise, infections, and stress.
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A common inflammatory disease of the lungs characterized by episodic airway obstruction caused by extensive narrowing of the bronchi and bronchioles. The narrowing is caused by spasm of smooth muscle, edema of the mucosa, and the presence of mucus in the airway resulting from an immunologic reaction that can be induced by allergies, irritants, infection, stress, and other factors in a genetically predisposed individual. Common symptoms of asthma include wheezing, coughing, and shortness of breath.
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(pathology) A long-term respiratory condition, in which the airways may unexpectedly and suddenly narrow, often in response to an allergen, cold air, exercise, or emotional stress. Symptoms include wheezing, shortness of breath, chest tightness, and coughing.
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Origin of asthma

  • Middle English asma from Medieval Latin from Greek asthma
    From American Heritage Dictionary of the English Language, 5th Edition
  • Borrowing from Ancient Greek ἆσθμα (asthma) ("laborous breathing").
    From Wiktionary