allergen

play
noun al·ler·gen \ ˈa-lər-jən \

Definition of allergen

:a substance (such 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

Recent Examples of allergen from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'allergen.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of allergen

International Scientific Vocabulary allergy + -gen


ALLERGEN Defined for English Language Learners

allergen

play
noun

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

:a substance that causes an allergic reaction

Medical Dictionary

allergen

play
noun al·ler·gen \ ˈal-ər-jən \

medical Definition of allergen

:a substance that induces allergy
  • inhaled allergens
  • a suspected food allergen


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