单词 | copernicium |
释义 | 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....
OriginEarly 21st century: from the name of Nicolaus Copernicus + -ium. |
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