| Abbreviation | Definition |
|---|---|
| WM | Waste Management |
| WMAP | Wilkinson Microwave Anisotropy Probe |
| WMC | Waste Management Compartment |
| WMPT | Waste Minimization Prioritization Tool |
| WMS | Waste Management System |
| WNL | Within Normal Limits |
| WO | Wing Operation |
| WO | Work Order |
| WOBL | Wobble |
| WOC | Work Order Control |
| WOCE | World Ocean Circulation Experiment |
| WONC | WithOut Nose Cone |
| WONG | Weight On Nose Gear |
| WOPM | Work Order Planned Order Entry/ Maintenance |
| WORM | Write Once - Read Many |
| WOSE | Weather Office in Space Evaluation |
| WOUT | With Out Unit Test |
| WOW | Weight On Wheels |
| WOW | Worst On Worst |
| WOWLON | Weight On Wheels Lock ON |