Definition of dubnium in English:

dubnium

Syllabification: dub·ni·um
Pronunciation: /ˈdəbnēəm
 
/

noun

The chemical element of atomic number 105, a very unstable element made by high-energy atomic collisions. (Symbol: Db) See also hahnium, joliotium.
More example sentences
  • Following up on berkelium, dubnium and californium, researchers at the University of Berkely in California, stumbled upon am element with atomic number 117 about a year ago.
  • For instance, after five alpha particles have been emitted we are left with element 105, which is called dubnium.
  • Similar controversies attended the much more recent synthesis and naming of the heaviest element of the group, dubnium.

Origin

1967: modern Latin, from Dubna in Russia, site of the Joint Nuclear Institute.

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Word of the day ween
Pronunciation: wiːn
verb
be of the opinion; think or suppose