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| un·un·hex·i·um [ ùn un héksee əm ] |
noun |
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| Definition: |
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artificially produced chemical element: a highly unstable, artificially produced radioactive chemical element with an atomic number of 116.
Symbol Uuh
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| [Late 20th century. < Latin unus "one" (repeated) + Greek hex "six," representing 116, its atomic number] |
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