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reagin

[ ree-ey-jin, -gin ]

noun

, Immunology.
  1. Also called Wassermann antibody. an antibody formed in response to syphilis and reactive with cardiolipin in various blood tests for the disease.
  2. an antibody found in certain human allergies, as hay fever and asthma.


reagin

/ ˈrɪədʒɪn /

noun

  1. immunol a type of antibody that is formed against an allergen and is attached to the cells of a tissue. The antigen–antibody reaction that occurs on subsequent contact with the allergen causes tissue damage, leading to the release of histamine and other substances responsible for an allergic reaction


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Word History and Origins

Origin of reagin1

1910–15; < German Reagin, equivalent to reag ( ieren ) to react + -in -in 2

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Word History and Origins

Origin of reagin1

C20: from German reagieren to react + -in

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Example Sentences

Nancy Reagin is a professor of history and gender studies at Pace University in New York.

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