from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An artificially produced radioactive element with atomic number 110 and a mass number of 281, whose most stable isotope has a half-life of over one minute. See Table at element.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A transuranic chemical element (symbol Ds) with atomic number 110.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a radioactive transuranic element


After Darmstadt .
(American Heritage® Dictionary of the English Language, Fourth Edition)
Named after Darmstadt, where it was first synthesized. (Wiktionary)


  • Elements 110, 111 and 112 have been named darmstadtium (Ds), roentgenium (Rg) and copernicium (Cn). - Telegraph online, Daily Telegraph and Sunday Telegraph

  • Roentgenium, after a modern physicist renamed roentgenium by the General Assembly, was originally discovered in 1994 when a team at GSI created three atoms of the element, about a month after their discovery of darmstadtium, on Dec. 8.

    Yahoo! News: Business - Opinion

  • It was created by crashing a heavy isotope of lead with nickel-62, which created four atoms of darmstadtium.

    Yahoo! News: Business - Opinion

  • Researchers at Lawrence Berkeley National Laboratory in California saw the isotopes of rutherfordium, seaborgium, hassium, darmstadtium, and copernicium by watching the decay of the yet-to-be-named element 114, a synthetic element first produced about a decade ago.

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