| Acronym | Meaning |
| XMSF | EXtensible Modelling And Simulation Framework |
| SG | Senegal (FIPS 10-4 Country Code) - Singapore (ISO 3166 Digram) - Snow Grains (METAR Code) -Study Group |
| GEV | Gigaelectron-volt |
| ICHTHYS | Iesous Christos |
| ROM | Read-Only Memory - Refuel On The Move - Royal Ontario Museum |
| DBA | De Bellis Antiquitatis (miniature Wargaming Rules) |
| MHWS | Mean High Water Springs (nautical Charts) |
| THAW | Tony Hawk's American Wasteland |
| DMT | Dimethyltryptamine |
| SW | South-West - Sweden (FIPS 10-4 Country Code) |