prokaryon
/prəʊˈkarɪən/Biology
noun
1The region of a prokaryotic cell where the genetic material is located. Compare nucleoid. rare.
2= prokaryote ( rare ). Also (in plural, in form Prokarya): a taxonomic group comprising the prokaryotes, coextensive with Prokaryota.
Origin
1950s. From pro- + -karyon. Compare prokaryotic and later prokaryote.