noun. ['ˈhæfniːəm'] a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons.
- atomic number 72
- Hafnia (Latin)
Words that Rhyme with Hafnium
Example sentences of the word hafnium
1. Noun, singular or mass
The town is a major source of hafnium, titanium and zirconium for the rest of the country.