The definition of 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
Origin: ME asma < ML < Gr asthma, a panting, asthma
See asthma in American Heritage Dictionary 4
Origin: Middle English asma
Origin: , from Medieval Latin
Origin: , from Greek asthma.
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