| Acronym | Meaning |
| MASS | Magic Angle Sample Spinning |
| ASBF | Aerated Submerged Biological Filter |
| AHP | Analytic Hierarchy Process |
| MCHF-BP | Multiconfiguration Hartree-Fock Breit-Pauli |
| PRCPTS | Primary Reactor Coolant Pump Trip System |
| GPIB | General Purpose Interface Bus |
| PSES | Pretreatment Standards For Existing Sources |
| PAC | Perturbed Angular Correlation |
| LFRT | Long Fiber Reinforced Thermoplastic |
| MINT | Metal In-line Treatment |