dubnium

Definition

Dubnium is a very rare element. It is so rare that there is only a tiny amount of it in the whole world. Dubnium is made in laboratories, and it is not found in nature.

How can the word be used?

Dubnium is a synthetic element, which means that it does not occur naturally on Earth.

Different forms of the word

Noun: dubnium.

Adjective: dubnium.

Verb: to dubnium.

Adverb: dubniumly.

Etymology

The word "dubnium" comes from the Russian city of Dubna, where the element was first synthesized in 1968. The name was officially adopted by the International Union of Pure and Applied Chemistry (IUPAC) in 1976.

Question

What is dubnium?