/ Thesaurus / G Synonyms of gamma globulin Find synonyms for: Noun1. gamma globulin, human gamma globulin, plasma protein, globulinusage: a plasma protein containing the immunoglobulins that are responsible for immune responsesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language