| Acronym | Meaning |
| CAGE | Controlled Active Global Experiments |
| ENA | Energetic Neutral Atoms (astronomical Plasmas) |
| COSY | Correlation Spectroscopy |
| SC-MEH-MO | Self-consistent-modified Extended Hueckel-MO |
| FRAM | Fine Resolution Antarctic Model |
| CNDO/2-V | Complete Neglect Of Differential Overlap-potential Method |
| NMC | New Muon Collaboration |
| MOSES | Modular Sensor System |
| IDL | Instrument Detection Limit |
| EMEP | European Monitoring And Evaluation Program |