neptunio

See also: neptúnio

Esperanto

Etymology

From Neptuno (“Neptune”) +‎ -io.

Pronunciation

• IPA^(key): /neptuˈnio/

• Audio:

  (file)

• Rhymes: -io
• Syllabification: nep‧tu‧ni‧o

Noun

neptunio (uncountable, accusative neptunion)

1. neptunium

Galician

Noun

neptunio m (uncountable)

1. neptunium

Latin

Noun

neptūniō

1. dative/ablative singular of neptūnium

Spanish

Chemical element (edit)
Np Atomic number 93 neptunio
Classification data Period 7 Group 3 Block f-block Class actinide
Previous: ← uranio (U)
Next: plutonio (Pu) →

Etymology

From Neptuno +‎ -io, by analogy with uranio.

Pronunciation

• IPA^(key): /nebˈtunjo/ [neβ̞ˈt̪u.njo]

• Audio (Spain):

  (file)

• Rhymes: -unjo
• Syllabification: nep‧tu‧nio

Noun

neptunio m (uncountable)

1. 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