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reagin

noun re·agin \ rē-ˈā-jən , -gən \

Definition of reagin

1 :a substance in the blood of persons with syphilis responsible for positive serological reactions for syphilis
2 :an antibody (such as IgE in humans) that mediates hypersensitive allergic reactions of rapid onset
—

reaginic

play \ˌrē-ə-ˈji-nik, -ˈgi-\ adjective

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reagin

noun re·agin \ rē-ˈā-jən , -gən \

medical Definition of reagin

1 :a substance that is in the blood of individuals with syphilis and is responsible for positive serological reactions for syphilis
2 :an antibody (as IgE in humans) that mediates hypersensitive allergic reactions of rapid onset
—

reaginic

play \ˌrē-ə-ˈjin-ik, -ˈgin-\ adjective

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  1. See words that rhyme with reagin Britannica.com: Encyclopedia article about reagin

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