Added 10 October 2026 exusion noun noun ! Definition from Wiktionary (CC BY-SA). More about exusion at Wordnik → Where our words come from → The act or process of exuding. Something that is exuded. Origin From exude + -ion. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: exudationexcretionexpulsionexsuctionexcretingeffluenceexpositionemanationoutflowexitingejectionoutgoing Back to today's word