| Acronym | Meaning |
| PF | Pulverized Fuel |
| CELSS | Controlled Ecological Life Support System |
| PIAC | Polymer Industrial Advisory Council |
| CNDO LHP | Complete Neglect Of Differential Overlap Longet-Higgins-Pople |
| UNOS | United Network For Organ Sharing |
| EVA | Extravehicular Activity (related To Spacecraft) |
| QKM | Quadratic Kohn Method (variational Method For Scattering) |
| MOFT | Minimum Oil Film Thickness |
| MINT | Metal In-line Treatment |
| RADREM | Radioactivity Research And Environmental Monitoring Committee |