| Acronym | Meaning |
| SNP | Sodium Nitroprusside |
| RBM | Random Bonding Model |
| FGR | Flue Gas Recirculation |
| QXRD | Quantitative X-ray Diffraction |
| ISCCP | International Satellite Cloud Climatology Project |
| OFA | Oil Fly Ash |
| SANDS | Stratospheric Aitken Nuclei Detection System |
| MOUSE | Method Of Underground Solute Evaluation |
| BEIA | Biomedical And Environmental Information Analysis |
| CNDOL | Complete Neglect Of Differential Overlap-azimutal Quantum Number (of Valence AO'S) |