nipponium
nounEtymology From Nippon + -ium. Doublet of nihonium.
1
Dated A chemical element, supposed to be the then-undiscovered technetium, but later identified as rhenium.
- Element between molybdenum and ruthenium (perhaps Ogawa's nipponium)1923, Ulick R. Evans, Metals and metallic compounds, page 362:
- Tiede at Berlin University told Toshiyuki Majima that nipponium might be rhenium when the latter visited him in 1938.2008, Proceedings of the Japan Academy: physical and biological sciences, volume 84, page 237:
- Related terms
- nihonium