| Acronym | Meaning |
| PD | Photoelectron Diffraction |
| RUSTIC | Risk Of Unsaturated/saturated Transport And Transformation Of Chemical Concentrations |
| EUVE | Extreme Ultraviolet Explorer (NASA Satellite) |
| RERS | Resonance-enhanced Raman Scattering |
| CBF | Core-binding Factor |
| FP-SCF-INDO | Finite Perturbation-SCF-INDO |
| SUSYQM | Supersymmetric Quantum Mechanics |
| NACE | National Association Of Corrosion Engineers |
| BTB | Bromothymol Blue |
| PAA | Photon Activation Analysis |