neptunio

== Esperanto == === Etymology === From Neptuno (“Neptune”) +‎ -io. === Pronunciation === IPA(key): /neptuˈnio/ Rhymes: -io Syllabification: nep‧tu‧ni‧o === Noun === neptunio (uncountable, accusative neptunion) neptunium == Galician == === Noun === neptunio m (uncountable) neptunium == Latin == === Noun === neptūniō dative/ablative singular of neptūnium == Spanish == === Etymology === From Neptuno +‎ -io, by analogy with uranio. === Pronunciation === IPA(key): /nebˈtunjo/ [neβ̞ˈt̪u.njo] Rhymes: -unjo Syllabification: nep‧tu‧nio === Noun === neptunio m (uncountable) neptunium === Further reading === “neptunio”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025 neptunio on the Spanish Wikipedia.Wikipedia es