| Abbreviation | Definition |
|---|---|
| HD | Hardware Design |
| HD | High Density |
| HDD | Hard Disk Drive |
| HDEC | High Density Electronics Center |
| HDEI | High Density Electronic Imaging |
| HDF | Hard Disk Fragmentation |
| HDFV | High-Definition Fire Vision |
| HDHC | Hard Drawn High Conductivity |
| HDI | Hard Disk Icon |
| HDL | Hardware Description Language |
| HDM | Hardware Device Module |
| HDM | High Density Modulation |
| HDMI | High Definition Media Input |
| HDMI | High Definition Multi-Media Interface |
| HDP | Hard Disk Partition |
| HDP | High Density Plasma |
| HDP | Hydrostatic Deformation Potential |
| HDPE | High Density PolyEthylene |
| HDPVR | High Definition Personal Video Recorder |
| HDR | High Density Range |