| Acronym | Meaning |
| MPT | Matrix Perturbation Theory |
| OAQPSTTN | Office Of Air Quality Planning And Standards Technology Transfer Network |
| MCSCO | Multiconfiguration Self-consistent Orbital |
| FFSHC | Field Federal Safety And Health Councils |
| NOMS | National Organics Monitoring Survey (US EPA 1976-1977) |
| BHMT | Betaine-homocysteine Methyltransferase |
| MONOS | Metal Oxide Nitride Oxide Semiconductor |
| LPVD | Laser Physical Vapor Deposition |
| DAFS | Diffraction Anomalous Fine Structure |
| SAR | Sequential Adiabatic Reduction |