| Acronym | Meaning |
| SPELL | Spectral Eulerian Lagrangian Model |
| CFSS | Constant-final-state Spectroscopy |
| TTL | Transistor-transistor Logic |
| ELM | Emulsion Liquid Membranes |
| PIII | Plasma Immersion Ion Implantation |
| MSMO | Multiple Scattering Molecular Orbital Method (also Known As X(alpha) Scattered-wave) |
| AAHIS | Advanced Airborne Hyperspectral Imaging System |
| IAP | Integrin-assocd. Protein |
| BNL | Brookhaven National Laboratory |
| PSD | Post-source Decay |