Examples of allergen in a Sentence
common allergens, such as pollen
Recent Examples on the Web
Use it on pillows, cribs, carpets, cushions, mattresses—anywhere that pets lay and allergens lurk.
—
Stephanie Osmanski, Better Homes & Gardens, 15 Dec. 2025
The original variety don’t, so, the box doesn’t list those ingredients among allergens.
—David J. Neal, Miami Herald, 13 Dec. 2025
The North American Baseline Series — often used by dermatologists — is a standard list of allergens most commonly known to cause contact dermatitis, meaning skin irritation like redness or dry, cracked skin caused by direct contact with an allergen.
—Jacqueline Kilikita, Refinery29, 12 Dec. 2025
Food recalls for undeclared allergens are a leading cause of food safety alerts in the United States, as even traces of allergens can trigger adverse health outcomes.
—Associate News Editor, MSNBC Newsweek, 11 Dec. 2025
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Stephanie Osmanski, Better Homes & Gardens, 15 Dec. 2025
The original variety don’t, so, the box doesn’t list those ingredients among allergens.
—David J. Neal, Miami Herald, 13 Dec. 2025
The North American Baseline Series — often used by dermatologists — is a standard list of allergens most commonly known to cause contact dermatitis, meaning skin irritation like redness or dry, cracked skin caused by direct contact with an allergen.
—Jacqueline Kilikita, Refinery29, 12 Dec. 2025
Food recalls for undeclared allergens are a leading cause of food safety alerts in the United States, as even traces of allergens can trigger adverse health outcomes.
—Associate News Editor, MSNBC Newsweek, 11 Dec. 2025
See All Example Sentences for allergen
Cite this Entry
“Allergen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/allergen. Accessed 19 Dec. 2025.
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Medical Definition
allergen
noun
al·ler·gen
ˈal-ər-jən 
: a substance that induces allergy
inhaled allergens
a suspected food allergen
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