| Acronym | Meaning |
| TBC | Two-beam Coupling |
| PM3 | Third-parametric Method |
| GOMOS | Global Ozone Monitoring By Occultation Of Stars |
| MUCS | Minimum-uncertainty Coherent States (wave Functions) |
| KAERI | Korea Atomic Energy Research Institute |
| ACEMS | Angular Conversion Electron Moessbauer Spectroscopy |
| SAIC | Science Applications International Corporation |
| COSAC | Cometary Sampling And Composition |
| NCWQ | National Commission On Water Quality |
| TIMS | Thermal Ionization Mass Spectrometry |