| Acronym | Meaning |
 | FFC | Free For Chat |
| FDC | Federal Detention Center (U.S.) - Fire Direction Centre |
| AL | Aluminium |
| FV | Femtovolt |
| MSM | Mount St Mary's School |
| GI | Gibi |
| DND | Department Of National Defence (Canada) - Do Not Disturb |
| JDCC | UK Joint Doctrine And Concepts Centre |
| DOE | U.S. Department Of Energy |
| FFR | Fédération Française De Rugby (French Rugby Federation) |
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