The meaning of the Acronym HDF is...

HDF is

• Horror Dark Fantasy

More Meanings For HDF:

• Hubble Deep Field
• Hierarchical Data Format
• High Density Fibreboard
• Hunger Defense Fund
• Hdf Data Format
• Hierarchical Data File
• NCSA Hierarchical Data File Bitmap graphics
• Help file (Help Development Kit)
• High Digestible Fibre
• Horror Dark Fantasy
• Hell's Destruction Force

HDF is also in:

• Astronomy
• Databases
• File Extensions
• Funnies
• Non-Profit Organizations
• Ocean Science
• Physiology
• Products
• Science Fiction