| Acronym | Meaning |
| CGTO | Cartesian Gaussian-type Orbital |
| CIMS | Chemical Ionization Mass Spectrometry |
| PACVD | Plasma-assisted Chemical Vapor Deposition |
| CDO | Controlled Decomposition/oxidation |
| FOGO | Floating Orbital Geometry Optimization |
| EOR | Enhanced Oil Recovery |
| PHFS | Perturbative Hartree-Fock-Slater |
| FEA | Field Emitter Array |
| BIOS | British Intelligence Objectives Sub-committee |
| PCA | Polar Cap Absorption |