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

Learn More About nihonium

Time Traveler for nihonium

Time Traveler

The first known use of nihonium was in 2016

See more words from the same year

Dictionary Entries Near nihonium

nihil obstat

nihonium

Niigata

See More Nearby Entries 

Statistics for nihonium

Cite this Entry

“Nihonium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nihonium. Accessed 6 Oct. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

The Great British Vocabulary Quiz

  • union jack speech bubble
  • Named after Sir Robert Peel, what are British police called?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!