Added 10 October 2026 fixative noun Categories: NatureThingsRare Words noun ! Definition from Wiktionary (CC BY-SA). More about fixative at Wordnik → Where our words come from → A substance that fixes, protects, or preserves. The components of a perfume that prolong or bolster the notes, and may or may not be the base note itself. adjective Serving to fix or bind. Related Words: paraformaldehydeglutaraldehydefixerchemopreservationtreatmentformalinfixationcryofixativeconsolidantcryofixationcryopreservative Back to today's word