Definitions for neptuniums
  • Neptunium (n.) - A new metallic element, of doubtful genuineness and uncertain indentification, said to exist in certain minerals, as columbite.
  • Neptuniums - Sorry, we do not have a definition for this word
Words in your word
2 Letter Words
em en es et in is it me mi mu ne nu pe pi si ti um un up us ut