| Acronym | Meaning |
| LZ | Bulgaria (amateur Radio ITU Prefix) -Landing Zone |
| WLOG | Without Loss Of Generality (see WOLOG) |
| GCF | Greatest Common Factor |
| APEDS | AMSAA Performance Estimates Data System |
| GRP | Graphite Reinforced Plastic |
| UCLA | University Of California |
| OW | Old Wykehamist |
| FRICBM | Full Range ICBM |
| TND | Tunisian Dinar (ISO 4217 Currency Code) |
| DSP | Decessit Sine Prole (Latin |