| Abbreviation | Definition |
|---|---|
| HLCIT | High Level Commision for Information Technology |
| HLCIT | High Level Commission for Information Technology |
| HLST | Human Language Science and Technology |
| HLT | High Light Technology |
| HLTS | Hybrid Location Technology Solution |
| HMAT | Hot Mix Asphalt Technology |
| HMST | Honours Math Science and Technology |
| HMT | Head Measurement Technology |
| HMT | Head Monitoring technology |
| HMTR | Hybrid Multi Technology Routing |
| HMTS | Hardinge Machine Technology Show |
| HMTS | Heraeus Materials Technology Shanghai |
| HNT | Health and Nutrition Technology |
| HODSP | High-Order Domain Specific Part |
| HOLO- | Hologram |
| HOMET | Hands On Mobile Embedded Technology |
| HOMET | Hands On Moble Embedded Technology |
| HOST | Hybrid Open Systems Technology |
| HOTA | Honeywell Open Technology Alliance |
| HOTT | Hands On Technology Transfer |