unununium


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unununium

(əˈnʌnɪəm)
n
a temporary name formerly given to the superheavy chemical element Uuu (element number 111), now called Roentgenium
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Translations
unununium
References in periodicals archive ?
Names as unpronounceable as sauropods will hover in the air as he sinks into sleep: praseodymium, dysprosium, rhenium, ytterbium, and then all of the unnamed, coded elements beyond the 100s, unununium (111), ununbium (112), ununquadium (114).