Breadcrumb Home > Thesaurus > F Synonyms of fibrin Find synonyms for: Noun 1. fibrin, protein usage: a white insoluble fibrous protein formed by the action of thrombin on fibrinogen when blood clots; it forms a network that traps red cells and platelets WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of fibrin (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: perfidy Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language