| Acronym | Meaning |
| FOCAL | Francais Ocean Et Climat Dans L'Atlantique Equatorial |
| BP | British Petroleum |
| FHMO | Fenske-Hall MO |
| MES | 2-(N-morpholino)ethanesulfonic Acid |
| LCP | Local Complex Potential (in Electron-atom Scattering) |
| HSBOW | Helical Spin Bond-order Wave |
| MP2-R12 | MP2 Theory With Terms Linear In Interelectronic Distance (r12) |
| TSI | Trophic State Index |
| EPICA | European Project For Ice Coring In Antarctica |
| ADMS | Atmospheric Dispersion Modeling System |