| Acronym | Meaning |
| TD | Thermal Dissociation |
| EFTC | European Fluorocarbon Technical Committee |
| ACHEM | Atmospheric Chemistry Model |
| UAO | Upper Atmosphere Observatory |
| HAC | Heads And Chairs |
| IQSY | International Years Of The Quiet Sun |
| LLNL | Lawrence Livermore National Laboratory(ies) |
| DCX | Delta Clipper Experimental |
| AIRS | Advanced Inertial Reference Sphere |
| AOIPS | Atmospheric And Oceanographic Information Processing System |