| Acronym | Meaning |
| DQC | Double Quantum Coherence |
| ASCO | American Society Of Clinical Oncology |
| AMSU | Advanced Microwave Sounding Unit |
| BOO | Bond Order Orbital |
| PPA | Pollution Prevention Act (of 1990) |
| MWEP | Monofilled Waste Extraction Procedure |
| PHDF | Polyhalogenated Dibenzofuran(s) |
| SCAS | Stability And Command Augmentation System |
| ECI | Size-extensive CI |
| SED | Spectral Energy Distribution |