| Acronym | Meaning |
| EMO | Environmental Management Office |
| M | Milli |
| NASW | National Association Of Science Writers |
| PFU | Proto Flight Unit |
| NFS | Network File System |
| FTSC | FSL Technical Steering Committee |
| BTU | British Thermal Unit |
| AFD | Axial Flux Difference |
| IASH | International Association Of Scientific Hydrology |
| ACD | Advanced Conceptual Design |