Breadcrumb Home > Thesaurus > P Synonyms of plasminogen Find synonyms for: Noun1. plasminogen, plasmin, fibrinolysinusage: an inactive form of plasmin that occurs in plasma and is converted to plasmin by organic solventsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of plasminogen (Dictionary) ✖ Related Content Daily Word Quiz: taradiddle Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language