| Acronym | Definition |
|---|
| HWT➣Hot Water Tank (heating equipment) |
| HWT➣Handwriting Without Tears |
| HWT➣Heavyweight Torpedo (weapons) |
| HWT➣Hardware Test |
| HWT➣Harvey World Travel |
| HWT➣Hot Water Treatment |
| HWT➣Heartworm Test |
| HWT➣Half Way There |
| HWT➣Herald and Weekly Times Limited (Australia) |
| HWT➣High-Warning Threshold |
| HWT➣Hinged Watertight |
| HWT➣Hypervelocity Wind Tunnel |
| HWT➣Humidifier Water Treatment |