| Abbreviation | Definition |
|---|---|
| W/G | Water/Glycol |
| W/h | Watt-Hour |
| W/S | Work Station |
| W/T | Wind Tunnel |
| W/W | Weather |
| W/W | Wheel Well |
| W/W | With Warning |
| W/WMS | Water/Waste Management System |
| WA | Wide Angle |
| WA | Work Authorization |
| WAAC | Wide- Angle Airborne Camera |
| WAAC | Wide-Angle Airborne Camera |
| WAATS | Weights and Analysis for Advanced Transportation Systems |
| WAD | Work Authorization Document |
| WAD/SO | Work Authorization Document/Shop Order |
| WAIS | Wide Area Information Server |
| WAMDII | Wide Angle Michelson Doppler Imaging Inferometer |
| WAN | Wide Area Network |
| WAN | Work Authorization Number |
| WAN | World Annular Node |