| Acronym | Meaning |
| NRPB | National Radiological Protection Board |
| CAPS | Computer-assisted Problem Solving |
| NASDA | National Space Development Agency Of Japan |
| FWE | Faddeev-Watson Expansion (for T-operator In Atomic Collisions) |
| LLC | Lyotropic Liquid Crystal |
| CCSD | Coupled Cluster With Single And Double Excitation |
| HTSC | High Temperature Superconductor |
| MEDO | Multipole Expansion Of Diatomic Overlap Approximation |
| AIGER | American Industry Government Emissions Research Consortium |
| ACIMS | Active Chemical Ionization Mass Spectroscopy |