| Acronym | Meaning |
| ICLAS | Intracavity Laser Absorption Spectroscopy |
| VA-HOMO | Vibrationally Active HOMO |
| BGO | Bismuth Germanium Oxide |
| PO-TDSE | Periodic Orbit-time Dependent Schroedinger Equation |
| GWPS | Groundwater Protection Standard |
| SDFFF | Sedimentation Field Flow Fractionation (particle Analysis) |
| LECIVA | Low Energy Charge-induced Voltage Alteration |
| PFA | Principal Factor Analysis |
| AAR | Association Of American Railroads |
| ISPGAA | In Situ Prompt Gamma-ray Activation Analysis |