| Acronym | Meaning |
| ARM | Anti-Radiation Missile -Armenia (ISO 3166 Trigram) |
| TATP | TriAcetone TriPeroxide |
| AT&T | American Telephone And Telegraph (U.S. Company |
| HEU | Highly Enriched Uranium |
| DMSP | U.S. Defense Meteorological Satellite Program |
| QDOS | Quick And Dirty Operating System (cue-doss) |
| NOAF | Norwegian Air Force |
| ERP | Engineer Regulating Point |
| ISM | Industrial |
| CTMS | Clinical Trial Management System |