Definition of hafnium in English:

hafnium

noun

mass noun
  • The chemical element of atomic number 72, a hard silver-grey metal of the transition series, resembling and often occurring with zirconium.

    • ‘Gadolinium is a rare earth element, one of the elements that occurs in Row 6 of the periodic table between barium and hafnium.’
    • ‘For most of history, hafnium and zirconium were not clearly distinguished from each other.’
    • ‘In contrast with tungsten, hafnium does not interact readily with iron-rich material, but it does combine readily with the elements in rocks lacking in iron.’
    • ‘Titanium is found in column four along with chemically similar zirconium, hafnium, and thorium.’
    • ‘Samarium is a rare earth element, one of the elements that occupy the space in Row 6 of the periodic table between lanthanum and hafnium.’

Origin

1920s: modern Latin, from Hafnia, Latinized form of Danish Havn, former name of Copenhagen.

Pronunciation

hafnium

/ˈhafnɪəm/