| Acronym | Meaning |
| HOCO | Highest Occupied Crystal Orbital |
| QVE | Quasivibrational Energy (formalism In Multiphoton Dissocn.) |
| CHFET | Complementary Heterojunction Field-effect Transistor |
| SDIO | Strategic Defense Initiative Organization |
| ONDOR | Optical Nuclear Double Resonance |
| GFR | Glomerular Filtration Rate |
| PPN | Peroxypropionyl Nitrate |
| PGE | Platinum Group Elements |
| DW | Dangerous Waste |
| GTE | Global Tropospheric Experiment |