| Acronym | Meaning |
| CMC-SCF | Complete Multiconfiguration Self-consistent Field |
| ASAXS | Anomalous Small-angle X-ray Scattering |
| MLVSS | Mixed Liquor Volatile Suspended Solids |
| DRAM | Dynamic Random Access Memory |
| CEMOS | Complementary Enhanced Metal-oxide Semiconductor |
| PMO | Perturbational Molecular Orbital |
| RLM | Rotating Linear Model (for Effective Potential Surfaces In Coupled-channel Calcns. On Reactive Scattering) |
| TF/SC | Trickling Filter/Solids Contact Process (for Wastewater Treatment) |
| VLP | Virus-like Particle |
| PIVCDW | Phase Integral Variational Continuum Distorted Wave |