| Acronym | Meaning |
| RDF | Restricted Dirac-Fock (quantum Calcn. Method) |
| SINDO | Symmetrically Orthogonalized Intermediate Neglect Of Differential Overlap |
| SOPITA | South Pacific Isotopic And Thermal Anomaly |
| OTEC | Ocean Thermal Energy Conversion |
| BATNEEC | Best Available Technology Not Entailing Excessive Cost |
| ABMR | Atomic Beam Magnetic Resonance |
| CAAMP | Canadian Acid Aerosol Measurement Program |
| EACVD | Electron-assisted Chemical Vapor Deposition |
| PAGIRS | Pesticide Assessment Guidelines Information Retrieval System |
| CLIC | Compact LInear Collider |