roentgenium

noun
roent·​gen·​i·​um | \ rent-ˈge-nē-əm How to pronounce roentgenium (audio) , rənt-, -ˈje-\

Definition of roentgenium

: a short-lived radioactive element produced artificially — see Chemical Elements Table

First Known Use of roentgenium

2004, in the meaning defined above

History and Etymology for roentgenium

New Latin; from the fact that the element was synthesized on the centennial of Röntgen's discovery of X-rays

Keep scrolling for more

Learn More about roentgenium

Statistics for roentgenium

Look-up Popularity

Time Traveler for roentgenium

The first known use of roentgenium was in 2004

See more words from the same year

Comments on roentgenium

What made you want to look up roentgenium? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a usually brief trip or an expedition

Get Word of the Day daily email!

Test Your Vocabulary

Summer 2019 Words of the Day Quiz

  • a-bowl-of-peach-sorbet-with-cut-peaches-next-to-it
  • Which is a synonym of desideratum?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

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!