Examples of allergen in a Sentence
common allergens, such as pollen
Recent Examples on the Web
This could expose multivitamins to allergens that can cause digestive problems or allergic reactions in sensitive kids.
—
Bestreviews, Chicago Tribune, 9 Feb. 2026
Another important factor to consider is allergens.
—Taylor Grothe, Parents, 9 Feb. 2026
Over the course of a single day, the air inside your home becomes stale, laden with particles and allergens.
—Sophia Beams, Better Homes & Gardens, 7 Feb. 2026
When a person comes into contact with one of their allergens, their body releases histamine and other chemicals that cause inflammation.
—Lindsay Curtis, Health, 6 Feb. 2026
See All Example Sentences for allergen
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Bestreviews, Chicago Tribune, 9 Feb. 2026
Another important factor to consider is allergens.
—Taylor Grothe, Parents, 9 Feb. 2026
Over the course of a single day, the air inside your home becomes stale, laden with particles and allergens.
—Sophia Beams, Better Homes & Gardens, 7 Feb. 2026
When a person comes into contact with one of their allergens, their body releases histamine and other chemicals that cause inflammation.
—Lindsay Curtis, Health, 6 Feb. 2026
See All Example Sentences for allergen
Cite this Entry
“Allergen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/allergen. Accessed 11 Feb. 2026.
Copy CitationKids Definition
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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