| Acronym | Meaning |
| LDV | Light Duty Vehicle |
| CMO | Complex Molecular Orbital Method |
| APD | Azimuthal Photoelectron Diffraction |
| AJCC | American Joint Committee On Cancer |
| APRE | Acute-phase-responsive Element |
| TOST | Turbine Oil Stability Test |
| TOVS | TIROS Operational Vertical Sounder |
| PCR | Principal Component Regression |
| PM10 | Particulate Matter |
| PMEL | Pacific Marine Environmental Laboratory |