Breadcrumb Home > Thesaurus > P Synonyms of pyrrhotite Find synonyms for: Noun1. pyrrhotite, pyrrhotine, magnetic pyrites, mineralusage: a brownish iron sulfide mineral (FeS) having weak magnetic propertiesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of pyrrhotite (Dictionary) ✖ Related Content Daily Word Quiz: legerdemain Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language