| Acronym | Meaning |
| CCAM | Charge-conserving Approxn. Method (for Quantum Calcns.) |
| MCPA | Molecular Coherent-potential Approximation |
| LPAS | Laser Photoacoustic Spectroscopy |
| HSEES | Hazardous Substances Emergency Events Surveillance |
| SEL | Surface Emitting Laser |
| POAM | Polar Ozone And Aerosol Measurements |
| GIPOF | Graded-Index Plastic Optical Fiber |
| PFI | Port Fuel Injection |
| VCAM-1 | Vascular Cell Adhesion Mol. 1 |
| CIV | Critical Ionization Velocity (ionosphere) |