| Acronym | Meaning |
| X-SAR | X-Band Synthetic Aperture Radar |
| SAE | Society Of Automotive Engineers |
| MAESA | Measurements For Assessing The Effects Of Stratospheric Aircraft |
| MMA | Methyl Methacrylate |
| PBPC | Peripheral Blood Progenitor Cell |
| PEL | Permissible Exposure Limit |
| ASDW | Axial Spin Density Wave |
| AHP | Average Hole-potential (method For Electronic-structure Calcns. On Mols.) |
| IAS | Isobaric Analog States |
| ADI | Austempered Ductile Iron |