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allergen

play
noun al·ler·gen \ˈa-lər-jən\

Simple Definition of allergen

  • medical : a substance that causes an allergy

Source: Merriam-Webster's Learner's Dictionary

Full Definition of allergen

  1. :  a substance (as pollen) that induces allergy

allergenic

play \ˌa-lər-ˈje-nik\ adjective

allergenicity

play \ˌa-lər-jə-ˈni-sə-tē\ noun

See allergen defined for English-language learners

See allergen defined for kids



Examples of allergen in a sentence

  1. common allergens, such as pollen



Origin and Etymology of allergen

International Scientific Vocabulary allergy + -gen


First Known Use: 1910

Other Medicine Terms

analgesia, angina, diabetes, hepatitis, homeopathy, logorrhea, palliate, pandemic

ALLERGEN Defined for Kids

allergen

play
noun al·ler·gen \ˈa-lər-jən\

Definition of allergen for Students

  1. :  a substance that causes an allergic reaction



Medical Dictionary

allergen

play
noun al·ler·gen \ˈal-ər-jən\

Medical Definition of allergen

  1. :  a substance that induces allergy <inhaled allergens> <a suspected food allergen>



Learn More about allergen

  1. Spanish Central: Translation of allergen Nglish: Translation of allergen for Spanish speakers Britannica English: Translation of allergen for Arabic speakers Britannica.com: Encyclopedia article about allergen

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Examples: allergen in a sentence