| Acronym | Meaning |
| CCG | Constant Crystal Growth (model) |
| AERE | Atomic Energy Research Establishment |
| MOCETGAO | Molecule-optimized Contracted Even-tempered Gaussian Atomic Orbital |
| GPRS | General Packet Radio Service |
| IASAP | International Arctic Seas Assessment Project |
| CV-MCHF | Core-valence Correlation-multiconfiguration Hartree-Fock |
| HGP | Human Genome Project |
| EPO | European Patent Organization |
| ETS | Electron Transport System |
| CMB | Cosmic Microwave Background |