| Acronym | Meaning |
| MTR | Main And Tail Rotor (helicopter Type) - Military-Technological Revolution |
| SRB | Solid Rocket Booster |
| PIRA | Provisional Irish Republican Army |
| PX | Post EXchange |
| AFDB | African Development Bank |
| SOD | School Of Dentistry - Statement Of Difference[s] - Statement Of Direction - Statement Of Documentation - Statement Of Duty/Duties |
| DOS | Denial Of Service (DoS |
| ITA | Italy (ISO 3166 Trigram) |
| ETB | Ethiopian Birr (ISO 4217 Currency Code) |
| PADI | Professional Association Of Diving Instructors |