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ununnilium

[uhn-uh-nil-ee-uhm]

noun

Chemistry, Physics.
  1. former name of darmstadtium. Uun



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Word History and Origins

Origin of ununnilium1

From Latin ūn(us) “one” + ūn(us) “one” + nīl “nothing” + New Latin -ium; one ( def. ), nil, -ium

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