| Acronym | Meaning |
| TDCS | Triple Differential Cross Section |
| TARC | Tiered Area Response Capability |
| TIGRA | Thermostimulated Inert Gas Release Analysis |
| EXOSAT | European X-ray Observatory Satellite |
| RAPS | Regional Air Pollution Study |
| QCSE | Quantum-confined Stark Effect |
| CFS | Chronic Fatigue Syndrome |
| MC-INDO | Mol. Cluster-intermediate Neglect Of Differential Overlap |
| BCPB | Bromochlorophenol Bluepar |
| WURST | Wideband |