nihonium
noun
ni·ho·ni·um ni-ˈhō-nē-əm 
: a short-lived, artificially produced radioactive element that has 113 protons —symbol Nh see Chemical Elements Table
Word History
Etymology
Japanese nihon "Japan" + -ium; so named because the element was produced at the RIKEN Nishina Center for Accelerator-Based Science in Wakō, Japan
First Known Use
2016, in the meaning defined above