reagin
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.re·agin
noun \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 (as IgE in humans) that mediates hypersensitive allergic reactions of rapid onset
— re·agin·ic \ˌrē-ə-ˈji-nik, -ˈgi-\ adjective
Origin of REAGIN
International Scientific Vocabulary, from reagent
First Known Use: circa 1911
re·agin
noun \rē-ˈā-jən, -gən\ (Medical Dictionary)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
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