| Acronym | Meaning |
| ETD | Enhanced Trickle Down (watershed Acidification Model) |
| FLAPW | Full-potential Linearized Augmented Plane Wave |
| VBXPS | Valence Bond X-ray Photoelectron Spectroscopy |
| AHF | Approximate Hartree-Fock Method |
| CAG | Continental-arc Granitoids |
| PESM | Photoelectron Spectromicroscopy |
| GBM | Glomerular Basement Membrane |
| CIBS | Corrections To An Incomplete Basis Set (a Perturbation Theory) |
| REA | Reactive Arthritis |
| FARCE | Freezing At Reactive Centers Of Enzymes |