| Acronym | Meaning |
| ULEV | Ultra Low Emission Vehicle |
| EEC | European Economic Community |
| LSNMS | Laser Secondary Neutral Mass Spectroscopy |
| PFI | Port Fuel Injection |
| ISCC | Intergranular Stress-corrosion Cracking |
| PPFD | Photosynthetic Photon Flux D. |
| SPDM | Single-particle Density Matrix |
| MCZDO | Many Center Zero Differential Overlap |
| OSAC | Organic Structures Accessed By Computer |
| NWS | National Weather Service |