| Acronym | Meaning |
| GVB-PP | Generalized Valence Bond-perfect Pairing (wave Function) |
| IRMM | Institute For Reference Materials And Measurements |
| CERES | Crop Estimation Through Resource And Environment Synthesis Model |
| UTI | Urinary Tract Infection |
| ERPF | Effective Renal Plasma Flow |
| GCE | Glassy Carbon Electrode |
| RS | Rayleigh Schroedinger (perturbation Theory) |
| FPC | Fixed Partial Charge |
| LOCV | Lowest-order Constrained Variation |
| IMHEX | Internally Manifolded Heat Exchanger (molten Carbonate Fuel Cell Design) |