Added 10 October 2026 nitrocellulase noun noun ! Definition from Wiktionary (CC BY-SA). More about nitrocellulase at Wordnik → Where our words come from → Misspelling of nitrocellulose. Related Words: nitrocellulosepyrocellulosecolloxylinenanocellulosepyrocollodionguncottoncelluloidcellucottoncollodion Back to today's word