hf

Symbol, Chemistry.

1. hafnium.

1. high frequency.
2. Hispanic female.

1. half.

abbreviation for

1. half

the chemical symbol for

1. hafnium

abbreviation for

1. high frequency

1. The symbol for the elementhafnium

1. The symbol for hafnium.

Hf

1. A bright, silvery metallic element that occurs in zirconium ores. Because hafnium absorbs neutrons better than any other metal and is resistant to corrosion, it is used to control nuclear reactions. Atomic number 72; atomic weight 178.49; melting point 2,220°C; boiling point 5,400°C; specific gravity 13.3; valence 4. See Periodic Table.