| Acronym | Meaning |
| GQDPT | Generalized Quasidegenerate Perturbation Theory |
| SVG | Scalable Vector Graphics |
| FAEC | Factor Analysis With Equilibrium Constraints |
| XSAD | X-ray Small Angle Diffraction |
| HPV | Hypoxic Pulmonary Vasoconstriction |
| QSM | Quantum Shell Model |
| HSC | High Conversion Soaker (cracking) [petroleum Viscosity-breaking] |
| ERCS | Emergency Response Cleanup Services |
| FESTEM | Field-emission Scanning Transmission Electron Microscopy |
| QDVPT | Quasidegenerate Variational Perturbation Theory |