nipponium

See also: Nipponium

English

Etymology

Nippon +‎ -ium. Doublet of nihonium.

Noun

nipponium (uncountable)

  1. (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
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