| Acronym | Meaning |
| PAIR | Preliminary Assessment Information Rule |
| IPPA | Independent Pair-potential Approximation |
| ISAMS | Improved Stratospheric And Mesospheric Sounder |
| GLP | Great Lakes Precipitation |
| SMT | Standards |
| SRES | Special Report On Emission Scenario |
| ADF | Annular Dark-field |
| TRNA | Transfer Ribonucleic Acid |
| UEL | Upper Explosive Limit |
| SLF | Slater-Laguerre (hydrogenic-type Wave) Function |