| Acronym | Meaning |
| FQO | Forced Quantum Oscillator Method |
| HT-EOVC | High-temperature Engine Oil Viscosity Classification |
| BEKP | Backscattered Electron Kikuchi Pattern |
| AME | Apparent Metabolizable Energy |
| PTSA | Pressure And Temperature Swing Adsorption |
| DCMD | Direct Contact Membrane Distillation |
| SRS | Symmetrized Rayleigh-Schroedinger (perturbation Theory) |
| CSCBS | Charge-self-consistent Band-structure (method) |
| HSCIE | High-temperature Solid-state Catalytic Isotope Exchange |
| UGF | Unitary-group Formulation (in Many-body Quantum Theory) |