Home › Words › E › eukaryoneukaryoneukaryon means A cell containing at least one distinct nucleus - characteristic of the single-celled or multicellular organisms of the taxonomic domain Eukaryota.Among words judged in Lexicurio's Arena, eukaryon ranks #3,411 of 42,747 for Qualifying.EtymologyFrom eu- + karyon.nounA cell containing at least one distinct nucleus - characteristic of the single-celled or multicellular organisms of the taxonomic domain Eukaryota.Definitions & examples from Wiktionary (CC BY-SA 3.0).