| Acronym | Meaning |
| GEMS | Global Environmental Monitoring Systems |
| OEH | One-electron Hamiltonian (quantum Method) |
| IAAD | Ion Assisted Arc Deposition |
| INA | Ion Neutral Analysis |
| EPT | Exponential Perturbation Theory |
| VEH | Valence Effective Hamiltonian Method (for Electronic Structure) |
| APT | Analytic Perturbation Theory |
| CODEX | Centerband-only Detection Of Exchange |
| FDCD | Fluorescence Detected Circular Dichroism |
| FSSW | Friction Super Stir Welding |