| Acronym | Meaning |
| PDF | Pair Distribution Function |
| APA | Adiabatic Perturbation Approxn. (for Quantum Calcns. On Fermi Superfluids) |
| TNVOX | Total Nonvolatile Org. Halogen Compds. |
| SQF | Second-quantized Formulation (in Many-body Quantum Theory) |
| ILSI | International Life Sciences Institute |
| MEP | Molecular Electrostatic Potential |
| AASD | Anaerobic Activated Sludge Digestion |
| CLIMAP | Climate Long-range Investigation Mapping And Prediction |
| QGLE | Quantum Generalized Langevin Equation |
| OIM | Orientation Imaging Microscopy |