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nihonium

Pronunciation: /nɪˈhoʊ.ni.əm/

The English word “nihonium” has 2 meanings listed here.

noun

  1. The synthetic transactinide chemical element with atomic number 113.
  2. An atom of this element.

Etymology

From Japanese 日本 (Nihon, “Japan”) + -ium. Promulgated in June 2016 by the IUPAC based on recommendations of the RIKEN Nishina Center for Accelerator-Based Science to honor the country where the element was discovered. Doublet of nipponium.

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