1 nihonium | Definition of nihonium
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nihonium

noun
ni·​ho·​ni·​um | \ ni-ˈhō-nē-əm How to pronounce nihonium (audio) \

Definition of nihonium

: a short-lived, artificially produced radioactive element that has 113 protons — symbol Nh — see Chemical Elements Table

First Known Use of nihonium

2016, in the meaning defined above

History and Etymology for nihonium

Japanese nihon "Japan" + -ium; so named because the element was produced at the RIKEN Nishina Center for Accelerator-Based Science in Wakō, Japan

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