| Acronym | Meaning |
| FPGS | Folylpolyglutamate Synthetasepar |
| RGB | Red Giant Branch (star) |
| ITG | Ion Temperature Gradient |
| EHF | Extended Hartree-Fock |
| BSE | Bovine Spongiform Encephalopathy |
| EFISPS | Electric Field Induced Surface Photovoltage Spectroscopy |
| MEECC | Microemulsion Electrokinetic Capillary Chromatography |
| ERS | External Reflection Spectroscopy |
| PTNO | Perturbation Theory Natural Orbital |
| ISLSCP | International Satellite Land Surface Climatology Project |