Hafnium

//ˈhæfniəm// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A chemical element (symbol Hf) with an atomic number of 72: a lustrous, silvery-grey tetravalent transition metal. uncountable
  2. 2
    a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons wordnet

Synonyms

All synonyms
atomic number 72celtiumceltiumhf

Example

More examples

"The company says the transistors in its next generation of processors will be made using hafnium, a kind of metal, instead of silicon."

Etymology

From Latin Hafnia (“Copenhagen”) + -ium.

Related phrases

eka-hafniumhafnium bombhafnium carbidehafnium dioxidehafnium nitridehafnium tetrachloridehafnium tetrahalideatomic number

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.