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
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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