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Words related to ununnilium

un·un·nil·i·um
U u

  • darmstadtium

    a synthetic radioactive element produced in small quantities by cold fusion in a linear accelerator. Symbol: Ds; atomic no: 110

  • element 110

    a radioactive chemical element with a very short half-life: a transactinide produced by bombarding any of various heavy elements, esp. lead, with high-energy nuclear particles: at. no., 110; ununnilium
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