The meaning of the Acronym HF is...

HF is

• Hard Failure
• High Frequency
• Horizontal Flight
• Hot Firing
• Hydrogen Fill
• Hyperfiltration

More Meanings For HF:

• Hands Free
• High Frequency
• House File
• High Floor
• High Frequency
• Hafnium
• High Frequency
• Hartree-Fock
• High Flange
• Hybrid Feeder
• Home Fellowships
• Humanities and Fine Arts
• Heat Flux
• High Fluorocarbon
• Hartree-Fock

HF is also in:

• Amateur Radio
• Architecture
• Astronomy
• Chemistry
• Meteorology
• Physics
• Universities