| Acronym | Meaning |
| NEDO | The New Energy Development Organization (Japan) |
| ASD | Active Subslab Soil Depressurization (for Radon Minimization In Buildings) |
| GSAC | Generalized Symmetry Adapted Cluster (theory) |
| VARTM | Vacuum Assisted Resin Transfer Molding |
| GFN | Grain Fineness Number |
| SDD | Silicon Drift Detector |
| XDBP | Halogenated Disinfection By-product |
| ISSJ | International Scientific Station Of The Jungfraujoch (atm. Observatory |
| VPSSQM | Variable-phase Supersymmetric Quantum Mechanics |
| OLR | Organic Loading Rate |