| Abbreviation | Definition |
|---|---|
| HSS | High Speed Steel |
| HSS | Hollow Structural Sections |
| HSV | Hydrostatic Speed Variator |
| HSZA | Hassan Shameesa, Zaakirah Azraa |
| HT | Hard Top |
| HT | Heat Treated |
| HT | High Torque |
| HTA | Hydraulic Tube Assembly |
| HTC | Heat Treated Cream |
| HTEP | Human Tissue Engineered Products |
| HTFA | High Technology Fatty Alcohol |
| HTG | Hard To Get |
| HTIB | Home Theater In a Box |
| HTM | Heating Time Management |
| HTOL | High Temperature Operating Life |
| HTPPL | Himachal Terepene Products Private Limited |
| HTS | Heating Textile Sandwich |
| HTS | High Tensile Strength |
| HTTA | Hybrid To The Antenna |
| HTTC | Hydrogen Technology Transfer Centre |