/ Thesaurus / P Synonyms of pyroxyline Find synonyms for: Noun1. pyroxylin, pyroxyline, cellulose nitrate, nitrocellulose, guncotton, nitrocottonusage: highly flammable nitrocellulose used in making collodion and plastics and lacquersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language