| Acronym | Meaning |
| MLCT | Metal-to-ligand Charge-transfer |
| TCDW1 | Target Continuum Distorted-wave 1st-order (for At. Collisions) |
| RILS | Regulatory Interpretation Letters |
| DFP | Diisopropyl Fluorophosphate |
| LTP | Lipid-transfer Protein |
| LLDPE | Linear Low Density Polyethylene |
| DSS | Deep Seismic Sounding |
| PCNA | Proliferating Cell Nuclear Antigen |
| SCI | Super Configuration Interaction |
| LDC | Less Developed Countries |