| Abbreviation | Definition |
|---|---|
| HR | High Resiliency |
| HR | Highly Reflective |
| HRCSA | High-Ratio Calcium Sulfonate Alkyd |
| HRFs | High Rate Filtration System |
| HRT | Horizontal Return Tubular boiler |
| HRW | Heated Rear Window |
| HRW | Hose Reinforcement Wire |
| HSD | High Speed Diesel |
| HSD | Hybrid Synergy Drive |
| HSEA | High Solar Energy Absorbing |
| HSF | Hard Solid Feet |
| HSF | Heat Sink Fan |
| HSL | Hydraulic Self Leveling |
| HSLA | High Strength Low Alloy |
| HSMT | Hand Shape Modeling Tool |
| HSMT | High-Speed Moving Terminal |
| HSOP | Hybrid Sum Of Products |
| HSP | Honeywell Safety Product |
| HSPPL | Honda Siel Power Products Limited |
| HSR | High-Speed Reciprocating Compressor |