copernicium
/kəʊpɜːˈnɪsɪəm
/noun [mass noun]
The chemical element of atomic number 112, a highly unstable substance that is produced artificially. (Symbol: Cn) Element 112 was first observed in 1996 but was given its new name copernicium only this past February....
- Copernicium, discovered 13 years ago and previously known as element 112, was officially added to the table only a few weeks ago.
- The half-life of the new element Copernicium is not yet clear.
Origin
Early 21st century: from the name of Nicolaus Copernicus + -ium.
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