: a chronic lung disorder that is marked by recurring episodes of airway obstruction (as from bronchospasm) manifested by labored breathing accompanied especially by wheezing and coughing and by a sense of constriction in the chest, and that is triggered by hyperreactivity to various stimuli (such as allergens or rapid change in air temperature)
Examples of asthma in a Sentence
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Here's why Children, older adults and people with cardiac or respiratory conditions, like asthma, are most susceptible to health impacts from short-term exposures like fireworks smoke, according to the DNR.
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Madeline Heim, Journal Sentinel, 5 July 2024
The list includes colds and coughs, ear and eye infections, insect bites, minor burns, asthma, cuts, sprains, fractures and chest pain.
—David Goodhue, Miami Herald, 3 July 2024
In some cases, antihistamines may also be prescribed for people with asthma.
—Jenny Sweigard, Verywell Health, 1 July 2024
Hotter weather exacerbates heart disease, diabetes, asthma, mental illness and other chronic conditions, while encouraging the spread of infectious diseases from dengue fever to toxic mushrooms.
—Mark Gongloff, The Mercury News, 28 June 2024
See all Example Sentences for asthma 
Madeline Heim, Journal Sentinel, 5 July 2024
The list includes colds and coughs, ear and eye infections, insect bites, minor burns, asthma, cuts, sprains, fractures and chest pain.
—David Goodhue, Miami Herald, 3 July 2024
In some cases, antihistamines may also be prescribed for people with asthma.
—Jenny Sweigard, Verywell Health, 1 July 2024
Hotter weather exacerbates heart disease, diabetes, asthma, mental illness and other chronic conditions, while encouraging the spread of infectious diseases from dengue fever to toxic mushrooms.
—Mark Gongloff, The Mercury News, 28 June 2024
See all Example Sentences for asthma
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Cite this Entry
“Asthma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/asthma. Accessed 15 Jul. 2024.
Copy CitationKids Definition
asthma
noun
asth·ma
ˈaz-mə 
: a condition that is marked by difficulty in breathing with wheezing, a feeling of tightness in the chest, and coughing
Medical Definition
asthma
noun
asth·ma
ˈaz-mə
: a chronic lung disorder that is marked by recurring episodes of airway obstruction (as from bronchospasm) manifested by labored breathing accompanied especially by wheezing and coughing and by a sense of constriction in the chest, and that is triggered by hyperreactivity to various stimuli (as allergens or rapid change in air temperature)
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