Definition of hafnium in English:

hafnium

Syllabification: haf·ni·um
Pronunciation: /ˈhafnēəm
 
/

noun

The chemical element of atomic number 72, a hard silver-gray metal of the transition series, resembling and often occurring with zirconium. (Symbol: Hf)
More example sentences
  • Titanium is found in column four along with chemically similar zirconium, hafnium, and thorium.
  • For most of history, hafnium and zirconium were not clearly distinguished from each other.
  • 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.

Definition of hafnium in:

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Word of the day retroflex
Pronunciation: ˈretrəˌfleks
adjective
turned backward