allergen

play
noun al·ler·gen \ˈa-lər-jən\

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

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


ALLERGEN Defined for English Language Learners

allergen

play
noun al·ler·gen \ˈa-lər-jən\

Definition of allergen for English Language Learners

  • medical : a substance that causes an allergy


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>



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