Definition, Meaning & Synonyms
allergen
noun
/ˈæləˌdʒɛn/
Definition
A substance that can cause an allergic reaction.
Examples
- Peanuts are a common allergen for many people.
- Pollen from grasses and trees can be a seasonal allergen.
- Some people have a severe reaction to latex, which is a common allergen.
Meaning
Allergens are typically proteins found in certain foods, pollen, dust mites, or animal dander that trigger an immune response in sensitive individuals.
Synonyms
- irritant
- sensitizer
