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reagin

Syllabification: (re·a·gin)
Pronunciation: /rēˈājən, -gən/

Definition of reagin

noun

Immunology
  • the antibody that is involved in allergic reactions, causing the release of histamine when it combines with antigen in tissue, and capable of producing sensitivity to the antigen when introduced into the skin of a normal individual.
  • the substance in the blood that is responsible for a positive response to the Wassermann test.

Derivatives

reaginic

Pronunciation: /ˌrēəˈjinik, -ˈginik/

adjective

Origin:

early 20th century: coined in German from reagieren 'react'

reagin in other Oxford dictionaries

Definition of reagin in the British & World English dictionary

Nearby words

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