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Definition of dubnium noun from the Oxford Advanced Learner's Dictionary

dubnium

noun
 
/ˈdʌbniəm/,
 
/ˈduːbniəm/
 
/ˈdʌbniəm/,
 
/ˈduːbniəm/
[uncountable]
(symbol Db)
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  1. a radioactive chemical element. Dubnium is produced when atoms crash into each other.
    Word Origin1990s: modern Latin, from Dubna in Russia, site of the Joint Nuclear Institute.
See dubnium in the Oxford Advanced American Dictionary
Check pronunciation: dubnium

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trait
noun
 
 
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