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gamma globulin

noun [U]
 
 
/ˌɡæm.əˈɡlɒb.jʊ.lɪn/ US  /-ˈɡlɑː.bjə-/

Definition

a natural substance in the blood that gives protection against diseaseImmunology and vaccinationThe circulatory system and blood
(Definition of gamma globulin noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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