| Domain | Definition | ||
| Administration | Heavy-Duty Truck. (references) | ||
| Aerospace | Harmonic Drive Technologies (A Company). (references) | ||
| Environment | Hazard data task. (references) | ||
| Geological | HDTs are high density (high capacity) magnetic tapes. (High Density Tapes). (references) | ||
| Information Technology | High density tape. (references) | ||
| Religion | Highest Dose Tested in a study. Heavy-Duty Truck. (references) | ||
Source: compiled by the editor from various references; see credits. | Top | ||
