noun
dubnium
DUB-nee-um
Dubnium (noun) means a synthetic chemical element with the symbol Db and atomic number 105. Example: “Dubnium has the atomic number 105.”
noun
1
technical A synthetic chemical element with the symbol Db and atomic number 105.
"Dubnium has the atomic number 105."
"The symbol for dubnium in the periodic table is Db."
"Dubnium is a transuranic element."
How to use dubnium
Learner’s notesIn plain EnglishThe chemical element with atomic number 105, named after the Russian town of Dubna.
When to use it
It is a scientific term, mostly found in chemistry and physics texts.
Memory tip
It is normally uncountable and written in lower case, like other element names.
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Common pairings
the element dubnium
atomic number of dubnium
dubnium atoms
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_____ has the atomic number 105.
Etymology
The name comes from Dubna, a town in Moscow Oblast, Russia. Dubna is the site of the Joint Institute for Nuclear Research, which discovered the element.
Rhymes for dubnium
See all rhymes for dubnium →Frequently asked questions
What is the symbol for dubnium?
The symbol for dubnium is Db.
What is the atomic number of dubnium?
Dubnium has atomic number 105.
Why is dubnium called dubnium?
It is named after Dubna in Russia, where the Joint Institute for Nuclear Research discovered it.
What is the meaning of dubnium?
"dubnium" (noun) means a synthetic chemical element with the symbol Db and atomic number 105.
