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asthma

Asthma is an ongoing lung condition that makes breathing difficult. (noun)

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

See asthma in Webster's New World College Dictionary

noun

a generally chronic disorder characterized by wheezing, coughing, difficulty in breathing, and a suffocating feeling, caused by an allergy to ingested substances, stress, etc.

See asthma in American Heritage Dictionary 4

(ăzˈmə, ăsˈ-)

noun

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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