antigen

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(an-ti-gen) 3 syllables

Definition

noun. a substance that triggers an immune response.

Example Sentence

The flu vaccine is an antigen that prevents a person from getting the flu.

More Example Sentences

The body fights antigens to stay healthy.

Synonyms

immunogen; pathogen; foreign body

Antonyms

antibody

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antigen
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Rhymes

  • antigen