| Acronym | Meaning |
| NSCF | Non-self-consistent Field |
| PDEA | Preliminary Draft Environmental Assessment |
| MICS | Magnetospheric Ion Compn. Spectrometer |
| POP | Persistent Organic Pollutant |
| MMA | Methyl Methacrylate |
| UMO | Unmodified Molecular Orbital |
| QTM | Quick-turnaround Method |
| NHF(FC) | Nonrelativistic Numerical Hartree-Fock (frozen-core ) |
| NSTL | Near Surface Transition Layer |
| CLRC | Central Laboratory Of The Research Councils |