| Acronym | Meaning |
| DSA-EOM | Dynamic Simulated Annealing-equations Of Motion (for Electronic Structures In Liq. Metals) |
| NIRMS | Noble Gas-ion Reflection Mass Spectrometry |
| RMCSTEP | Repartitioned Multiconfigurational Spin-tensor Electron Propagator |
| ANS | Autonomic Nervous System |
| NCAP | Noncriteria Air Pollutants |
| OCAMS | Orbital Correspondence Analysis In Maximum Symmetry |
| NARSTO | North American Research Strategy For Tropospheric Ozone |
| SHEED | Scanning High-energy Electron Diffraction |
| SWR | Standing Wave Ratio |
| ILWAS | Integrated Lake Water Acidification Study |