| Acronym | Meaning |
| (SC)2CI | Self-consistent Size-consistent CI |
| CINDORU | Unified Cluster INDO |
| NIWG | National Interagency Work Group |
| CIA | Capillary Ion Analysis |
| HFSE | High Field Strength Element(s) |
| LUFT | Leaking Underground Fuel Tank |
| DLM | Diffuse Layer Model (of Adsorption) |
| SLAC | Stanford Linear Accelerator Center |
| ANNNI | Axial Next-nearest-neighbor Ising (model Of Superstructure) |
| DPCI | Derwent Patents Citation Index |