hafnium

(Pronunciation -تلفظ سنیۓ ) US:

Slow

Normal

Noun: hafnium

1. hafnium [ Synonyms: atomic number 72, hf]
A grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons

Generic Words:

metal, metallic element

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