fle·​ro·​vi·​um flə-ˈrō-vē-əm How to pronounce flerovium (audio)
: a short-lived artificially produced radioactive element that has 114 protons
symbol Fl
see Chemical Elements Table

Examples of flerovium in a Sentence

Recent Examples on the Web At room temperature, flerovium forms a strong bond with gold, very unlike a noble gas. Stephanie Pappas, Scientific American, 14 May 2024 Most of the ions passed through the target, but over the course of a few weeks, a few collided with a plutonium nucleus and fused into flerovium. Daniel Clery, Science | AAAS, 12 Feb. 2021

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'flerovium.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


Flerov Laboratory of Nuclear Reactions (of the Joint Institute for Nuclear Research in Dubna, Russia) + -ium

Note: The element was first produced in the Flerov Laboratory (Russian, Laboratorija jadernyx reakcij im. G.N. Flërova Ob"jedinënnogo instituta jadernyx issledovanij), founded by the Russian physicist Georgij Nikolaevič Flërov (1913-90).

First Known Use

2012, in the meaning defined above

Time Traveler
The first known use of flerovium was in 2012

Dictionary Entries Near flerovium

Cite this Entry

“Flerovium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flerovium. Accessed 21 Jun. 2024.

Kids Definition


: a short-lived artificially produced radioactive element see element
Last Updated: - Updated example sentences
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