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nipponium. In DICTIOUS you will not only get to know all the dictionary meanings for the word
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English
Etymology
From Nippon + -ium. Doublet of nihonium.
Noun
nipponium (uncountable)
- (dated) A chemical element, supposed to be the then-undiscovered technetium, but later identified as rhenium.
1923, Ulick R. Evans, Metals and metallic compounds, page 362:Element between molybdenum and ruthenium (perhaps Ogawa's nipponium)
2008, Proceedings of the Japan Academy: physical and biological sciences, volume 84, page 237:Tiede at Berlin University told Toshiyuki Majima that nipponium might be rhenium when the latter visited him in 1938.
See also