copernicium

noun
co·​per·​nic·​i·​um | \ ˌkō-pər-ˈni-sē-əm How to pronounce copernicium (audio) \

Definition of copernicium

: a short-lived artificially produced radioactive element that has 112 protons — see Chemical Elements Table

First Known Use of copernicium

2009, in the meaning defined above

History and Etymology for copernicium

New Latin, from Copernicus

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The first known use of copernicium was in 2009

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Cite this Entry

“Copernicium.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/copernicium. Accessed 19 January 2020.

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to insert between existing elements

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