| Acronym | Meaning |
| AGNPS | Agricultural Non-point Source Pollution |
| LRO | Long Range Order |
| IAP | Intracisternal A-particle |
| SOCS | Suppressor Of Cytokine Signaling |
| PPMA | Parts Per Million Atomic |
| CEAS | Cavity-enhanced Absorption Spectroscopy |
| RSMST | Real-space Multiple-scattering Theory (in Electronic Structure) |
| AQG | Air Quality Guideline |
| ZQC | Zero-quantum Coherence |
| GPUCHF | Geometric Perturbed Uncoupled Hartree-Fock Method |