hafnium

/haf-nee-uhm, hahf-/US // ˈhæf ni əm, ˈhɑf- //UK // (ˈhæfnɪəm) //

铪,铪合金,铪铪,铪元素

Definitions

n.名词 noun

1
Chemistry.
- : a gray, toxic metallic element with a high melting point, found in most zirconium minerals. Symbol: Hf; atomic weight: 178.49; atomic number: 72; specific gravity: 12.1.