| Acronym | Meaning |
| RAS | Routine Analytical Services |
| GRRR | Graduated Response For Risk Reduction |
| FOCI | First-order Configuration Interaction |
| HPM | Hole-potential Model (in Calcn. Of Mol. Excited States) |
| LQG | Loop Quantum Gravity |
| ESHRE | European Society For Human Reproduction And Embryolog |
| IGP | Intergranular Penetration |
| NOM | Natural Organic Matter |
| JIMO | Jupiter Icy Moons Orbiter |
| MGMS | Molecular Graphics And Modelling Society |