/ Thesaurus / C Synonyms of cothromboplastin Find synonyms for: Noun1. proconvertin, cothromboplastin, stable factor, factor VII, coagulation factor, clotting factorusage: a coagulation factor formed in the kidney under the influence of vitamin KWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: kiln Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language