| Acronym | Meaning |
| FOQELS | Fiber Optic Quasi Elastic Light Scattering |
| LOCA | Loss-of-Coolant Accident |
| ECTR | Extended Connection Table Representation |
| DIHEN | Direct Injection High Efficiency Nebulizer |
| OB/OD | Open Burn/open Detonation |
| LPCVD | Low Pressure Chemical Vapor Deposition |
| HPDSC | High-pressure Differential Scanning Calorimetry |
| TSH | Tensor Surface Harmonic (method In Bonding Of Metal Clusters) |
| RPECVD | Remote Plasma-enhanced Chemical-vapor Deposition |
| ASP | Activated Sludge Plant Or Process |