| Acronym | Meaning |
| GESAMP | Group Of Experts On The Scientific Aspects Of Marine Pollution |
| EBT | Extended Brillouin Theorem |
| LAAM | Levo-alpha Acetyl Methadol |
| EH | Extended Hueckel |
| PESC | Photoelectrochemical Solar Cell |
| RGB | Red Giant Branch (star) |
| DMA | Dynamic Mechanical Analysis (for Elastomers) |
| ALSP | Atmosphere And Land Surface Processes |
| REELS | Reflection Electron Energy-loss Spectroscopy |
| CPT | Cluster Perturbation Theory |