archaeon

== English == === Etymology === Scientific Latin, corresponding to a singular form of Archaea. === Noun === archaeon (plural archaeons or archaea) A prokaryotic organism; a member of the domain Archaea [from 20th c.] ==== Synonyms ==== archaebacterium (obsolete) ==== Derived terms ==== ==== Translations ==== === See also === extremophile == Latin == === Pronunciation === (Classical Latin) IPA(key): [arˈkʰae̯.ɔn] (modern Italianate Ecclesiastical) IPA(key): [arˈkɛː.on] === Noun === archaeon n (genitive archaeī); second declension archaeon ==== Declension ==== Second-declension noun (neuter, Greek-type).