English hafnium meaning in English  •  hafnium का अर्थ अंग्रेजी में

Noun

• A metallic element of atomic number 72 present together with zirconium to the extent of 1% to 5% in zirconium minerals. It is a poisonous, ductile metal with a brilliant silver luster, has an atomic weight of 178.49, and has a high melting point (2227&de