2012, in the meaning defined above
Lawrence Livermore National Laboratory in Livermore, California (which cooperated in its production) + -ium
Time Traveler for livermorium
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liver of antimony
Cite this Entry
“Livermorium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/livermorium. Accessed 4 Oct. 2022.
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