Definitions
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- noun chemistry Former name of what is now
darmstadtium .
Etymologies
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Darmstadtium, the new element 110, which took the temporary name ununnilium, was first synthesized on Nov. 9, 1994, at the GSI facility near the city of Darmstadt.
oroboros commented on the word ununnilium
Uun. Also known as Darmstadtium (Ds).
November 26, 2007