| Acronym | Meaning |
| MHIDAS | Major Hazardous Incident Data Service (from UK Atomic Energy Authority) |
| PNDO | Partial Neglect Of Differential Overlap |
| SODAR | Sound Detection And Ranging (meteorological Instrument) |
| QTCS | Quantum Theorem Of Corresponding States |
| SOHIC | Stress-oriented Hydrogen-induced Cracking |
| UFC | Uniform Fire Code |
| HPCZE | High Performance Capillary Zone Electrophoresis |
| CAFBR | Ceramic Filled Anaerobic Fixed Bed Reactor |
| THGF | Trigonometric Hermite Gaussian Function |
| STARS | Strategic Targeting Activities Reporting System |