roentgenium

noun

roent·​gen·​i·​um rent-ˈge-nē-əm How to pronounce roentgenium (audio)
rənt-,
-ˈje-
: a short-lived radioactive element produced artificially see Chemical Elements Table

Word History

Etymology

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

First Known Use

2004, in the meaning defined above

Time Traveler
The first known use of roentgenium was in 2004

Dictionary Entries Near roentgenium

Cite this Entry

“Roentgenium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/roentgenium. Accessed 20 Mar. 2023.

Kids Definition

roentgenium

noun
roent·​gen·​i·​um
rent-ˈgən-ē-əm,
rənt-,
-ˈjen-
: a short-lived radioactive element produced artificially see element
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