| Acronym | Meaning |
| PTA | Packed Tower Aeration |
| EACE | Enzyme Affinity Capillary Electrophoresis |
| OCOS | Orbital Charge-ordering State |
| LAD | Left Anterior Descending |
| SSULI | Special Sensor Ultraviolet Limb Imager |
| MSW-X(ALPHA) | Multiple Scattered Wave-SCF-x(alpha) |
| RPM | Regional Project Managers |
| MFR | Melt Flow Ratio |
| FMIT | Fusion Materials Irradiation Test |
| HSC | Health And Safety Commission (UK) |