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Related to copernicium: flerovium, livermorium, Ununtrium


 (kō′pər-nē′sē-əm, -shē-)
n. Symbol Cn
An artificially produced radioactive element with atomic number 112 that has only been produced in trace amounts and has nine observed isotopes with mass numbers ranging from 277 to 285. The most stable isotope has a mass number of 285 and a half-life of about 34 seconds.

[After Nicolaus Copernicus.]


(Elements & Compounds) a highly radioactive element that is produced synthetically. Symbol: Cn; atomic no: 112; atomic wt: 285
[C21: named after Nicolaus Copernicus ]
References in periodicals archive ?
Three new elements were added to the Periodic Table in 2012 after the confirmation of elements 110, 111 and 112 were named darmstadtium (Ds), roentgenium (Rg) and copernicium (Cn).
Words from cutting-edge science ( copernicium , a new chemical element) and pop culture ( man cave ) and words elevated by foodies ( gastropub ) are among the latest additions to America's best-selling dictionary, available now in print and online at Merriam-Webster.
Element 112, found in 1996, was dubbed copernicium (Cn), for the famous Polish astronomer.
The elements are called darmstadtium (Ds), roentgenium (Rg) and copernicium (Cn).
Down at spot 112 on the periodic table, an element first produced in 1996 by German scientists now has a name: copernicium, for the 16th century astronomer Copernicus (SN: 3/27/10, p.
The last element that was added to the periodic table was copernicium, in 2009.