Dubnium Definition

do͝obnē-əm
noun
A radioactive chemical element with a very short half-life: a transactinide produced by bombarding californium or berkelium with high-energy nuclear particles: symbol, Db; at. no. 105
Webster's New World
Synonyms:
  • atomic number 105
  • element 105
  • db
  • hahnium

Origin of Dubnium

  • After Dubna , Russia, location of the United Institute of Nuclear Research

    From American Heritage Dictionary of the English Language, 5th Edition

  • Named after Dubna in Russia.

    From Wiktionary

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