HF
From Wikipedia, the free encyclopedia
HF, Hf or hf can refer to:
- Hafnium, a chemical element
- Hydrogen fluoride, a diatomic compound which can dissolve in water to from hydrofluoric acid
- Hydrofluoric acid, a highly corrosive solution of hydrogen fluoride in water
- High frequency, the range of radio frequencies from 3 MHz to 30 MHz
- Higher Preparatory Examination (HF), a Danish examination programme
- Hapagfly, a German airline (IATA code)
- Heritage Front, a white supremacist and Canadian Nationalist group
- Hartree-Fock, a calculation scheme
- Limited liability company (Hlutafelag), in Iceland
- Hard-Fi