| Acronym | Meaning |
| PETE | PolyEthyleneTErephthalate |
| GCCS | Global Command And Control System (geeks) |
| BYS | Byelorussian Soviet Socialist Republic (ISO 3166 Trigram; Obsolete Since 1992) |
| KO | Knocked Out |
| OGD | Other Government Department |
| HU | Hungarian Language (ISO 639-1 Code) |
| AAS | Advanced Automation System - American Astronomical Society (double-A-S) |
| DHRA | (U.S.) DoD Human Resources Activity |
| DCE | Data Communication Equipment |
| PCCIP | President's Commission On Critical Infrastructure Protection |