# rikenium

> English word · Noun

## Definitions
1. A proposed name for the element nihonium

## Etymology
Riken, name of a research institute in Japan, + -ium.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/rikenium