Hafnium
(noun)
- A metallic chemical element with the symbol Hf and atomic number 72.
- A silvery-gray, lustrous, dense, and corrosion-resistant metal.
- Used in aerospace, nuclear reactor and in tungsten alloys.
Origin:
From hafnia, the latin name for the city of copenhagen, where it was discovered.
Examples:
- Hafnium is a chemical element with the symbol Hf and atomic number 72.
- The hafnium isotopes are highly resistant to neutron bombardment, making them ideal for use in nuclear control rods.
- Hafnium carbide is one of the most refractory compounds known, with a melting point of about 3900 °C.
- Hafnium is used in aerospace, nuclear reactor and in tungsten alloys.
- Hafnium is a chemical element with the atomic number 72 and is represented by the symbol Hf.