English edit

Etymology edit

From Niels Bohr +‎ -ium.

Noun edit

nielsbohrium (uncountable)

  1. (obsolete) A rejected name for dubnium (105).
    • 1977, Energy Research and Development Administration Energy Research Abstracts:
      As an example, element 105, nielsbohrium, is considered.
    • 1974, Gesellschaft Deutscher Chemiker, XXIVth International Congress of Pure and Applied Chemistry: Plenary and Main Section Lectures Presented at Hamburg, Federal Republic of Germany, 2-8 September 1973:
      Again, due to the 2-sec half-life of nielsbohrium, ...
  2. (obsolete) A rejected name for bohrium (107).

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