| Acronym | Meaning |
| ANO | Average Natural Orbitals |
| SPFD | Simons-Parr-Finlan-Dunham (interat. Potential) |
| TFFF | Thermal Field Flow Fractionation |
| AEP | American Electric Power (USA) |
| IAC | Immunoaffinity Chromatography |
| LLOQ | Lower Limit Of Quantitation |
| RTP | Reinforced Thermoplastic |
| MAHRSI | Middle Atmosphere High Resolution Spectrograph Investigation |
| ORPI | Off-resonance Proton Irradiation |
| ACCR | Activated Carbon Catalytic Reduction |