| Acronym | Meaning |
| ANSOM | Apertureless Near-field Scanning Optical Microscopy |
| MOR | Modulus Of Resilience |
| ESAT | Environmental Services Assistance Team |
| ESO | European Southern Observatory |
| EEM | Elastic Emission Machining |
| HACCP | Pathogen Reduction And Hazard Analysis Critical Control Point |
| MCM 41 | Mobil Catalytic Material 41 |
| ATM | Airborne Thematic Mapper |
| CCWP-J | Close Coupling Wave Packet [in Total Angular Momentum] J [representation] (for Collision Calcns.) |
| DWIA | Distorted-wave Impulse Approximation |