Breadcrumb Home > Thesaurus > P Synonyms of pyroxene Find synonyms for: Noun1. pyroxene, mineralusage: any of a group of crystalline silicate mineral common in igneous and metamorphic rocksWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of pyroxene (Dictionary) ✖ Related Content Daily Word Quiz: sepulture Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language