| Acronym | Meaning |
| TSO | Time Sharing Option |
| BCUT | Burden CAS And University Of Texas |
| STEM | Scanning Transmission Electron Microscopy |
| EDWA | Exponential Distorted-wave Approxn. (atom-ion Electron-exchange Calcns.) |
| DCN | Document Change Notice |
| NAT | Nitric Acid Trihydrate (polar Stratosphere Cloud Aerosol) |
| DTSC | Differential Temperature Scanning Calorimeter |
| ALMS | Atomic Line Molecular Spectroscopy |
| FPD | Flat Panel Display |
| NIMS | Negative Ion Mass Spectrometry |