The meaning of the Acronym HDT is...

HDT is

• High Density Tape
• Heavy Duty Trailers

More Meanings For HDT:

• Heat Deflection Temperature or Heat Distortion Temperature
• Horizontal Drive Transistor
• Hardware Description Table
• Hard Disk Toolkit
• Host Digital Terminal
• Higher Degree Term
• Heat Distortion Temperature
• Haus Der Technik
• High Density Tape
• Heavy Duty Trailers

HDT is also in:

• Firms
• General
• Hardware
• Mathematics
• Military
• Networking
• Physics
• Software
• Telecom