| Acronym | Meaning |
| SC-VB | Spin-coupled Valence Bond |
| ARPA | Advanced Research Projects Agency |
| CREME | Cosmic Ray Effects On Micro-Electronics |
| EPC | European Patent Convention |
| AERC | Association Of Ecosystem Research Centers |
| TVS | Total Volatile Solids |
| ICR | Ion Cyclotron Resonance (mass Spectrometry) |
| TRD | Transition Radiation Detector |
| MSUD | Maple Syrup Urine Disease |
| PMR | Proportional Mortality Ratio |