| Acronym | Meaning |
| UNSCEAR | United Nations Scientific Committee On The Effects Of Atomic Radiation |
| ESW | Equivalent Slab Waveguide |
| SC-MEH-MO | Self-consistent-modified Extended Hueckel-MO |
| ECM | Exchange-charge Model |
| NCB | National Coal Board |
| TPO | Thermoplastic Polyolefin |
| GASP | Gamma Astronomy At The South Pole |
| UCC(N) | Unitary Coupled-cluster [truncated To Nth Order] |
| RSR | Rapid Solidification Rate |
| NOPES | Nonoccupational Pesticide Exposure Study |